NTS Quantitative Reasoning 3

Question 1

If the price of sugar increases from Rs. 50 to Rs. 60 per kg, what is the percentage increase?

Accepted Answer

20%

Answer

Increase = 60 - 50 = 10. Percentage = (10/50) × 100 = 20%.

Question 2

A man invests Rs. 5,000 at 10% simple interest per annum. What will be the total amount after 3 years?

Accepted Answer

Rs. 6,500

Answer

SI = (5000 × 10 × 3)/100 = 1,500. Total = 5000 + 1500 = Rs. 6,500.

Question 3

What is the next number in the series: 2, 6, 18, 54, ...?

Accepted Answer

162

Answer

Each number is multiplied by 3: 2×3=6, 6×3=18, 18×3=54, 54×3=162.

Question 4

If 5 workers can complete a job in 12 days, how many days will 10 workers take to complete the same job?

Accepted Answer

6 days

Answer

Total work = 5 × 12 = 60 worker-days. With 10 workers: 60/10 = 6 days.

Question 5

A rectangular room is 12 meters long and 8 meters wide. What is the area of the room?

Accepted Answer

96 sq. m

Answer

Area = length × width = 12 × 8 = 96 square meters.

NTS - National Testing Service Practice Test