Quantitative Ability Test

Result

Quantitative Ability Test - 2

Score
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Rank
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Weekly Quiz Competition

Question 1
1 / -0

In a mixture 60 liters, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:

A
20 litres

B
30 litres

C
40 litres

D
60 litres

Solution
Question 2
1 / -0

A pair of dice is thrown. Find the probability of obtaining a sum of 8 or getting an even number on both the dice.

A
2/3

B
1/3

C
11/36

D
5/36

Solution
Question 3
1 / -0

A
100

B
200

C
300

D
400

Solution
Question 4
1 / -0

If the mode of the scores 10, 12, 13, 15, 15, 13, 12, 10, x is 15, then what is the value of x?

A
10

B
12

C
13

D
15

Solution

Given scores 10, 12, 13, 15, 15, 13, 12, 10, x and mode = 15

The mode of the n observation is the number that has the highest frequency.

Frequency of score '12' = 2

Frequency of score '15' = 2

But for mode to be 15, x should be '15'.
Question 5
1 / -0

A
0.48

B
0.39

C
0.25

D
0.23

Solution

Correlation coefficient is the geometric mean between regression coefficients:
Question 6
1 / -0

Anjali can complete a job in 10 days. Banu can do it in 5 days. In how many days can the job be done, if they work together?

A
3.5 days

B
7.5 days

C
6 days

D
3 days 8 hours

Solution
Question 7
1 / -0

A

B

C

D
None of these

Solution
Question 8
1 / -0

The LCM of two prime numbers x and y (x > y) is 161. Find the value of 3y - x.

A
-1

B
1

C
2

D
-2

Solution
Question 9
1 / -0

Equation of the circle having diameter 8 and diameters y + 2x - 5 = 0 and 2y + 3x - 8 = 0 is?

A

B

C

D

Solution
Question 10
1 / -0

'A' and 'B' complete a work in 12 days. 'B' and 'C' in 8 days and 'C' and 'A' in 16 days. 'A' left after working for 3 days. In how many days more will 'B' and 'C' finish the remaining work?

A

B

C

D