Aspiring Minds Aptitude Quiz-SK-1

A is thrice as efficient as B and takes 10 days less to do a piece of work than B. How many days can B alone finish the whole work?

• 15 days

• 10 days

• 8 days

• 9 days

The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. What is the simple interest on the same sum for double the time at half the rate?

• Rs. 800

• Rs. 600

• Rs. 500

• Rs. 400

If the cost price of item B is Rs. 150 more than item A, and their selling prices are in the ratio 11:12, what is the cost price of item B?

• Rs. 400

• Rs. 450

• Rs. 350

• Rs. 420

A vessel contains a mixture of milk and water in the ratio of 10:3. After taking out 26 litres and replacing it with 8 litres of water, what was the initial quantity of the mixture?

• 143 litres

• 182 litres

• 169 litres

• 130 litres

What is the last odd number among 6 consecutive odd numbers if the difference between the square of the average of the first three and the last three is 288?

• 31

• 25

• 27

• 29

In a bag with 6 red balls and 9 green balls, what is the probability that at least one of the balls drawn is red?

• 29/35

• 7/15

• 2/5

• 23/35

What approximate value will come in place of the question mark in the equation ?% of 750.11 × 34.90 + 6.995 = 3000?

• 15

• 11

• 16

• 6

Calculate the approximate value of 815.002 + 29.98 – 53.998 + 3.012.

• 880

• 800

• 840

• 900

If 40.1% of 360.2 + 58.98% of ? = 150, what is the value of ?

• 30

• 40

• 20

• 10

If A is thrice as efficient as B and A worked for 4 days before B took over for 15 days, how many days can B alone finish the whole work?

• 36

• 45

• 27

• 24