Mettl Quantitative Aptitude and Reasoning 2

Question 1

A train 240 meters long passes a pole in 12 seconds. How long will it take to pass a platform 360 meters long?

Accepted Answer

30 seconds

Answer

Speed = 240/12 = 20 m/s; total distance = 240+360 = 600 m; time = 600/20 = 30 seconds.

Question 2

If 15 workers can complete a job in 8 days, how many days will 10 workers take to complete the same job?

Accepted Answer

12 days

Answer

Total work = 15×8 = 120 worker-days; days for 10 workers = 120/10 = 12 days.

Question 3

A number is increased by 20% and then decreased by 20%. The net change is:

Accepted Answer

4% decrease

Answer

Net multiplier = 1.2 × 0.8 = 0.96, which is a 4% decrease from the original.

Question 4

In a sequence 3, 6, 12, 24, 48, __, what is the next term?

Accepted Answer

96

Answer

Each term is doubled, so 48 × 2 = 96.

Question 5

The average of 5 consecutive odd numbers is 25. What is the largest of these numbers?

Accepted Answer

29

Answer

The middle (3rd) number equals the average = 25, so consecutive odds are 21, 23, 25, 27, 29; largest is 29.

Mettl Practice Test