Jumpwhere Aptitude Contest – January 2021

Instructions for Aptitude Contest – January 2021:

1. You can select only one option at a time.
2. You can take the QUIZ multiple times.
3. Each question will carry 100 points.
4. There are altogether 35 questions.
5. After finishing the test, you will get a score message as shown below.
6. If you score more than 90% you will get a unique code and email id along with the score message.
7. Take the screenshot of the entire page containing the message along with the unique code generated.
8. Lucky winners will get exciting goodies/gift from JUMPWHERE. The final decision will be taken by JUMPWHERE TEAM itself.
9. This contest is available only till 31-Jan-2021 12:00 PM.
10. Don’t forget to Like and Follow us on facebook for all the updates.

Aptitude Contest – January 2021:

Quiz Contest - January

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Question 1

What percentage of numbers from 1 to 70 has 1 or 9 in the unit's digit?

A	1
B	14
C	20
D	21

Question 1 Explanation: 

Clearly, the numbers which have 1 or 9 in the unit's digit, have squares that end in the digit 1. Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69. < br/> Number of such number =14 < br/> Required percentage = (14/70 x 100)% = 20%

Question 2

A cuboid of length 16m, breadth 9m and height 12m is cut into 64 equal smaller cubes. How many do the sides of the cubes measure?

A	2
B	1
C	6
D	3

Question 2 Explanation: 

Volume of the smaller cube = 16*9*12/ 64
= 27 mcube
Side of the smaller cube = 3m

Question 3

Statement: There is an unprecedented increase in migration of villagers to urban areas as repeated crop failure has put them into precarious financial situation. Courses of Action: I) The villagers should be provided with alternate source of income in their villages which will make them stay put. II) The migrated villagers should be provided with jobs in the urban areas to help them survive

A	Neither I nor II follows
B	Only II follows
C	Only I follows
D	Either I or II follows
E	Both I and II follow

Question 3 Explanation: 

Clearly, increased migration would add to the burden on city's infrastructure.
So, attempts should be made to make the villagers feel comfortable in the villages itself.
So, only course I follows.

Question 4

Statement: To make the company commercially viable, there is an urgent need to prune the staff strength and borrow money from the financial institutions." — Opinion of a consultant. Assumptions I) The financial institutions lend money for such proposals. II) The product of the company has a potential market. III) The employees of the company are inefficient.

A	Only I and II are implicit
B	Only I is implicit
C	Only II and III are implicit
D	All are implicit
E	None is implicit

Question 4 Explanation: 

Since the consultant talks of borrowing money from financial institutions, so I is implicit.
That the owners wish to make the company 'commercially viable' makes II implicit. Also, it is mentioned that staff strength is to be reduced to make the company 'commercially viable'.
So, III is not implicit

Question 5

An equinox occurs twice a year, on 20th march and 22nd September. Find the number of days between the equinoxes (excluding both the days)?

A	186
B	184
C	187
D	185

Question 5 Explanation: 

No. of days between 20th march and 11nd September
= 11+30+31+30+31+31+21
= 185

Question 6

Find the compound interest on Rs. 10000 at 12% rate of interest for 1 year, compounded half-yearly?

A	Rs. 1543
B	Rs. 2765
C	Rs. 7654
D	Rs. 1236

Question 6 Explanation: 

Amount with CI = 10000 [1+ (12 / 2 * 100)]² = Rs. 11236
Therefore, CI = 11236 – 10000 = Rs. 1236

Question 7

Two pipes A and B can fill a tank in 20 min, when opened simultaneously. If pipe A alone takes 60 minutes to fill the tank, how much time will pipe B alone take to fill the tank?

A	20 minutes
B	60 minutes
C	30 minutes
D	40 minutes

Question 7 Explanation: 

Let B take x minutes to fill the tank
Part of the tank filled by A and B = (1/60) + (1/x) = (1/20)
Solving this, x= 30

Question 8

A shopkeeper professes to sell his goods at cost price but uses a weight of 800gm instead of 1kg. Thus he makes a profit of?

A	16%
B	20%
C	25%
D	50%

Question 8 Explanation: 

The shopkeeper uses weight of 800gm instead of 1kg
So, 200gm difference = profit
profit % = 200/800 * 100 = 25%

Question 9

Painting ?

A	Books
B	Colours
C	Pictures
D	Canvas

Question 9 Explanation: 

Explanation: The action or skill of using paint, either in a picture or as decoration.

Question 10

The rational number for recurring decimal 0.125125.....is ?

A	119/993
B	None of these
C	63/487
D	125/999

Question 10 Explanation: 

0.125125... = 0.125 = 125/999

Question 11

If a quarter kg of potato coasts 60 paise, how many paise will 200 gm cost?

A	48
B	87
C	56
D	65

Question 11 Explanation: 

Let the required weight be x kg  Less weight, less cost (Direct proportion)  250 : 200 :: 60 : x  250 * x = (200 * 60)  X= (200 * 60) / 250  X= 8*6  X= 48

Question 12

Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, Find the difference between the agres of R and Q?

A	2 year
B	Data inadequate
C	25 years
D	1 year

Question 12 Explanation: 

R - Q = Q - T
(R+T) = 2Q
Now given that, (R+T) = 50
2Q = 50
Q = 25
Without knowing the value of R or T, we cant find R -Q. Hence, Data inadequate

Question 13

Four dice are thrown simultaneously. Find the probability that all of them show the same face?

A	1/36
B	3/216
C	1/216
D	4/216

Question 13 Explanation: 

The total number of elementary events associated to the random experiments of throwing four dice
simultaneously is:
= 6×6×6×6 = 6 ⁴
n(S) = 6 ⁴
Let X be the event that all dice show the same face
X={(1,1,1,1,),(2,2,2,2),(3,3,3,3),(4,4,4,4),(5,5,5,5),(6,6,6,6)}
n(X) = 6
Hence required probability,
= n(X) / n(S)
= 6 / 6 ⁴ = n(X) / n(S) = 6 / 6⁴ = 1 / 216

Question 14

A mixture of 70 litres of milk and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12 1/2% water?

A	4
B	8
C	5
D	2

Question 14 Explanation: 

Quantity of milk in the mixture = 90/100 (70) = 63 litres
After adding water, milk would form 87 1/2% of the mixture
Hence, if quantity of mixture after adding x liters of water, (87 1/2) / 100 x = 63 => x = 72
Hence 72 - 70 = 2 litres of water must be added

Question 15

Find the odd man out 1, 4, 9, 16, 23, 25, 36 ?

A	36
B	23
C	9
D	25

Question 15 Explanation: 

Each of the numbers except 23, is perfect square

Question 16

Statement : Should new universities be established in India ?

Argument :

I. No. We have still not achieved the target of literacy.

II. No. We will have to face the problem of unemployed but highly qualified people.

A	Only argument II is strong
B	Either I or II is strong
C	Only argument I is strong
D	Neither I nor II is strong

Question 16 Explanation: 

Clearly, instead of improving upon higher education we should focus on increasing literacy rate first.
Also more degree holders with the number of jobs remaining same will increase unemployment.
So both arguments are strong.

Question 17

19, 24, 20, 25, 21, 26 ?

A	28
B	23
C	22
D	27

Question 17 Explanation: 

This is a combination of two series
19,20,21,22, and
24, 25, 26...

Question 18

If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?

A	N + M - F x C
B	M - N x C + F
C	M x N - C + F
D	F - C + N x M

Question 18 Explanation: 

M x N → M is the father of N
N - C → N is the sister of C
and C + F → C is the brother of F
Hence, M is the father of C or C is the son of M

Question 19

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

A	25200
B	21400
C	210
D	1050

Question 19 Explanation: 

Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4)
(⁷C₃ x ⁴C₂)
(7*6*5/3*2*1) * (4*3/2*1)
=210
Number of groups, each having 3 consonants and 2 vowels = 210.
Each group contains 5 letters.
Number of ways of arranging
5 letters among themselves = 5!
= 5 x 4 x 3 x 2 x 1
= 120.
Required number of ways = (210 x 120) = 25200.

Question 20

A motorboat with a speed of 15 kmph travels 72 km downstream in 4 hrs. Find the time required to travel the same distance upstream.

A	4.5 hours
B	5 hours
C	4 hours
D	6 hours

Question 20 Explanation: 

Downstream speed = 72/4 = 18 kmph
S= d – b = 3
U = b – s = 12 kmph
Time taken to travel 72 km upstream
= 72/12 = 6 hours

Question 21

Reena walked from A to B in the East 10 feet. Then she turned to the right and walked 3 feet. Again she turned to the right and walked 14 feet. How far is she from A?

A	24 feet
B	27 feet
C	4 feet
D	5 feet

Question 21 Explanation: 

Question 22

A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?

A	270 m
B	240 m
C	260 m
D	230 m

Question 22 Explanation: 

Speed = (72 * 5 / 18) m/sec = 20 m/sec
Time = 26 sec
Let the length of the train be x metres
Then, (x + 250) / 26 = 20
x + 250 = 520 x = 270

Question 23

I) Taking the train across town is quicker than taking the bus. II) Taking the bus across town is slower than driving a car. III) Taking the train across town is quicker than driving a car. If the first two statements are true, the third statement is

A	False
B	True
C	Uncertain

Question 23 Explanation: 

We know from the first two statements that Tuesday had the highest temperature, but we cannot know whether Monday's temperature was higher than Tuesday's

Question 24

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively is:

A	127
B	123
C	235
D	305

Question 24 Explanation: 

Required number = H.C.F. of (1657 - 6) and (2037 - 5)
= H.C.F. of 1651 and 2032 = 127.

Question 25

If in a certain language FLOWER is written as EKNVDQ, what will be written as GNTRD?

A	HOUSE
B	HUOSE
C	HEOUS
D	None of these
E	HOUES

Question 25 Explanation: 

Each letter of the word is one step ahead of the corresponding letter of the code. E K N V D Q G N T R D F L O W E R H O U S E Thus HOUSE is written as GNTRD, So the answer is (4)

Question 26

Mohan always keeps himself to himself

A	does not take sides
B	is unsociable
C	is too busy
D	is selfish

Question 27

Statements: I) The Government has decided to hold a single entrance test for admission to all the medical colleges in India II) The State Government has debarred students from other States to apply for the seats in the medical colleges in the State

A	Statement I is the cause and statement II is its effect
B	Both the statements I and II are effects of some common cause
C	Both the statements I and II are effects of independent causes
D	Statement II is the cause and statement I is its effect
E	Both the statements I and II are independent causes

Question 27 Explanation: 

Both the statements are effects of some common cause

Question 28

A is thrice as good as B in work. A is able to finish a job in 60 days less than B. They can finish the work in how many days if they work together?

A	18 days
B	26 days
C	22 1/2 days
D	24 days

Question 28 Explanation: 

If A completes a work in 1 day, B completes the same work in 3 days
Hence, if the difference is 2 days, B can complete the work in 3 days
=> if the difference is 60 days, B can complete the work in 90 days
=> Amount of work B can do in 1 day = 1/90
Amount of work A can do in 1 day = 3 * (1/90) = 1/30
Amount of work A and B can together do in 1 day = 1/90 + 1/30 = 4/90 = 2/45
=> A and B together can do the work in 45/2 days = 22 ½ days

Question 29

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

A	150
B	100
C	200
D	50

Question 29 Explanation: 

Then, sum of their values = Rs. {(25x / 100) +[(10 * 2x) / 100)]+ (5 * 3x /100)} = Rs. 60x / 100
(60x / 100) = 30
x = (30 x 100) / 60 = 50
Hence, the number of 5 p coins = (3 x 50) = 150

Question 30

Arun started a company investing Rs.200000. After 8 months, Varun joined him with a capital of Rs. 120000. After 2 years, they earned a profit of Rs. 42000, what is varun’s share of the profit?

A	Rs. 30000
B	Rs. 12000
C	Rs. 14000
D	Rs.6000

Question 30 Explanation: 

Profits of arun and Varun are in the ratio 200000*24 : 120000*16 = 5:2
Varun’s share = (2/7)*42000 = Rs. 12000

Question 31

S1. Commercial energy consumption shows an increasing trend and poses the major challenge for the future. A. The demand, for petroleum, during 1996 -97 and 2006 -07 is anticipated to be 81 million tonnes and 125 million tonnes respectively. B. According to the projections of the 14th Power Survey Committee Report, the electricity generation requirements from utilities will be about 416 billion units by 1996 – 97 and 824 billion units by 2006 – 07. C. The production of coal should reach 303 million tonnes by 1996 – 97 to achieve plan targets and 460 million tonnes by 2006 – 07. D. The demand for petroleum products has already rapidly outstripped indigenous production. S6. Electricity is going to play a major role in the development of infrastructural facilities.

A	DACB
B	DCAB
C	CADB
D	ADCB

Question 31 Explanation: 

The proper order for the four sentences is DACB

Question 32

Odometer is to mileage as compass is to

A	Hiking
B	Speed
C	Direction
D	Needle

Question 32 Explanation: 

An odometer is an instrument used to measure mileage. A compass is an instrument used to determine direction. Choices a, b, and c are incorrect because none is an instrument.

Question 33

A 9% stock yields 8%. The market value of the stock is

A	Rs. 72
B	Rs. 112.50
C	Rs. 116.50
D	Rs. 90

Question 33 Explanation: 

To get Rs.8, investment = Rs. 100 To get Rs.9, investment = Rs. 100/8 * 9 = Rs. 112.50 Market value of Rs. 100 stock = Rs. 112.50

Question 34

1, 2, 3, 6, 9, 18, ?, 54

A	36
B	81
C	18
D	27

Question 34 Explanation: 

The pattern is x 2, x 3/2, x 2, x 3/2, x 2,.....
So, missing term = 18 x 3/2 = 27.

Question 35

What is the unit digit in the product (3⁶⁵ x 6⁵⁹ x 7⁷¹)?

A	6
B	1
C	4
D	2

Question 35 Explanation: 

Unit digit in 34 = 1 Unit digit in (34)16 = 1
Unit digit in 365 = Unit digit in [ (34)16 x 3 ] = (1 x 3) = 3
Unit digit in 659 = 6
Unit digit in 74 Unit digit in (74)17 is 1.
Unit digit in 771 = Unit digit in [(74)17 x 73] = (1 x 3) = 3
Required digit = Unit digit in (3 x 6 x 3) = 4.

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