Quantitative Aptitude PART 1

A car covers a distance of 500 km in 10 hours. What is the average speed of the car?

• 40 km/h

• 50 km/h

• 60 km/h

• 55 km/h

A mixture contains milk and water in the ratio 3:1. If 12 liters of water is added to the mixture, the ratio becomes 3:2. What is the quantity of milk in the original mixture?

• 18 liters

• 24 liters

• 36 liters

• 48 liters

A sum of money becomes 7/4 of itself in 6 years at simple interest. What is the rate of interest per annum?

• 12.5%

• 15%

• 10%

• 11%

A man can row 10 km/h in still water. If the speed of the stream is 4 km/h, how long will it take him to row to a place 28 km upstream?

• 7 hours

• 4 hours

• 5 hours

• 6 hours

Two trains are moving in opposite directions at speeds of 60 km/h and 90 km/h respectively. If the length of the first train is 300 meters and the second train is 400 meters, how long will it take for them to completely pass each other?

• 12 seconds

• 18 seconds

• 24 seconds

• 30 seconds

If the average of five numbers is 27, and the sum of the first four numbers is 100, what is the fifth number?

• 35

• 40

• 38

• 43

A certain sum of money at compound interest grows to Rs. 2400 in 2 years and to Rs. 2880 in 3 years. Find the rate of interest.

• 15%

• 16.67%

• 20%

• 25%

Two pipes A and B can fill a tank in 15 hours and 20 hours respectively. If both the pipes are opened simultaneously, how long will it take to fill the tank?

• 8 hours

• 6 hours

• 10 hours

• 12 hours

A clock gains 5 minutes every hour. If the clock shows 12:00 noon, what will be the actual time when the clock shows 3:00 PM?

• 2:45 PM

• 2:48 PM

• 2:50 PM

• 3:00 PM

A man covers a certain distance at a speed of 60 km/h and returns at 40 km/h. What is his average speed for the whole journey?

• 48 km/h

• 50 km/h

• 52 km/h

• 55 km/h