NAT I Engineering Quantitative

The average height of a class of 14 days is 5.3 feet. After new boy is admitted to the class ,the new average height now becomes 5.25. What is the height of the new boy?

• 4.55 A
• 5.0 B
• 6.0 C
• 3.5 D

If the area of two circles are in the ratio 169 : 196 then ratio of their radii is 

• 13 : 11 A
• 10 : 13 B
• 14 : 13 C
• 13 : 14 D

• 4π A
• 18π B
• 28π C
• 32π D

? x 12 = 75% of 336

• 48 A
• 252 B
• 28 C
• 21 D

A man bought 27 packets of Chilli Milli at $280 each, 9 packets of Chilli Milli at $320 each and 6 packets of Chilli Milli at $360 each. Find the average price per packet of Chilli Milli.

• $250 A
• $300 B
• $400 C
• $380 D

The average of x,y,z and 40 is 10. What is the average of x,y, adn z.

• 10 A
• 0 B
• 2 C
• 15 D

One-sixth of a day is what part of the time between 3 p.m. Monday and 3 p.m. Thursday of the same week ?

• 1/10 A
• 1/18 B
• 1/15 C
• 1/12 D

Mr. Kashif got an average of 50 in 6 tests. What should he get in the next test to attain the average of 60 ?

• 120 A
• 60 B
• 100 C
• 70 D

• 25/32 A
• 7/8 B
• 32/25 C
• 11/10 D

If p is a negative integer and P² + 11p = t, a value of t could be

• 12 A
• 18 B
• -18 C
• 11 D

Which of the following is the sum of two consective prime numbers?

• 66 A
• 52 B
• 41 C
• 29 D

An angle is 30^o more than one-half its complement. Find the angle.

• 20^o A
• 30^o B
• 50^o C
• 60^o D

Dave is twice as old as Bob, who is 3 years older than steve. If Steve is 4a years old, Dave's age is:

• 8a A
• 22a B
• 14a C
• 8a+6 D

2.08 - (0.5)²=?

• -1.20 A
• 1.88 B
• 1.83 C
• 2.16 D

12% of x =360

• 250 A
• 100 B
• 400 C
• 3000 D

If a train travels 5/6 miles in 1 1/4 minutes, how many miles will it travel in 1 hour?

• 20 miles A
• 50 miles B
• 40 miles C
• 30 miles D

A clock gain 8 minutes every x hours. How many hours will the clock gain in 3 days ?

• 576/x A
• 48/5x B
• 24/x C
• 576/5x D

If 7 apples cost y cents, how many apples will x dollars buy?

• x/7y A
• 7x/y B
• 7x/100y C
• 700x/y D

The average height of five men is 68 inches. If one man is 70 inches tall and three others have an average of 67 inches, the height of the fifth man, in inches, is

• 68 A
• 69 B
• 70 C
• 71 D

√256÷√64=?

• 1/4 A
• 26/8 B
• 16 C
• 4 D