Aptitude and Computer Science Quiz

What is the next number in the series: 2, 6, 12, 20, ___?

• 28

• 30

• 24

• 26

A train 100 meters long is running at a speed of 50 km/hr. How long will it take to cross a platform 250 meters long?

• 18 seconds

• 20 seconds

• 22 seconds

• 15 seconds

A clock shows 3:15. What is the angle between the hour hand and the minute hand?

• 30°

• 37.5°

• 45°

• 60°

If a man walks 4 km east, 3 km north, 5 km west, and 3 km south, what is the distance from the starting point?

• 2 km

• 3 km

• 4 km

• 1 km

A car travels 120 km at a speed of 40 km/h and then 80 km at a speed of 80 km/h. What is the average speed for the entire journey?

• 60 km/h

• 64 km/h

• 70 km/h

• 72 km/h

A sum of money amounts to Rs. 8800 in 2 years and Rs. 9600 in 3 years at simple interest. What is the rate of interest?

• 8%

• 10%

• 12%

• 6%

The ratio of ages of A and B is 5:3. 5 years ago, the ratio was 7:5. What is the present age of A?

• 35 years

• 40 years

• 30 years

• 45 years

If the price of a commodity increases by 25%, what is the percentage decrease in the quantity that a person can buy with a fixed amount?

• 10%

• 12%

• 20%

• 20%

In a right-angled triangle, if the sides are 5, 12, and 13, what is the perimeter of the triangle?

• 20

• 25

• 30

• 26

The sum of the first 50 natural numbers is:

• 1200

• 1275

• 1225

• 1300