NAT-IE Pre Engineering Quantitative Hard Test

(190)²- (150)²= ?

• 58600 A
• 13600 B
• 1360 C
• 1600 D

Maria's test scores were 96, 97, 86, 98 and 92. What would he need on his next test to have an average of 94?

• 92 A
• 90 B
• 95 C
• 100 D
• 98 E

x√0.09= 3; x = ?

• 10 A
• 1/3 B
• 1/10 C
• 1 D

The population of 8 villages is 900, 750, 1100, 1050, 1250, 555, and 630. Find the population of Ninth village if the average population of Nine villages is 900.

• 1200 A
• 1050 B
• 1030 C
• 7070 D

Successive discounts of 10% and 15% is equivalent to a single discount of

• 24% A
• 24.5% B
• 23.5% C
• 22% D
• 25% E

1250÷25×0.5 = ?

• 25 A
• 50 B
• 2.5 C
• 100 D

9218 - 3546 + 2354 = ?

• 8026 A
• 8116 B
• 10410 C
• 23174 D

What part of an hour elapses between 10: 45 a.m and 11:09 a.m?

• 2/5 A
• 3/5 B
• 11/12 C
• 2 D

What is the number, 5% of which is 10?

• 200 A
• 100 B
• 50 C
• 10 D

1/x = 1/y + 1/z then 'x' in terms of 'y' and 'z' is given by?

• (y + z) / (y-z) A
• yz/(y + z) B
• (y + z)/yz C
• 1/z -1/y D

If a pipe can fill a tank in 2 hours and another pipe can fill the same tank in 40 minutes. How much time in minutes is needed to fill the tank if both the pipes are working together?

• 90 A
• 50 B
• 60 C
• 30 D

72 + 679 + 1439 + 537 + ? = 4036

• 1309 A
• 1208 B
• 2308 C
• 2423 D

• 1.425 A
• 1.585 B
• 1.330 C
• 0.750 D
• 1.750 E

.007÷√.000049

• 1 A
• .0049 B
• 2 C
• 7 D

If p = 2, then 3^p+ (p³)²=

• 18 A
• 45 B
• 42 C
• 70 D
• 73 E

The annual decrease in the population of a city was 10% and the present number of inhabitants is 1620. What was the population 2 years hence?

• 20 A
• 400 B
• 2000 C
• 1000 D

If 2x + y = 11 and 3x + 2y = 17 then y is?

• 1 A
• 5 B
• 6 C
• 4 D

If a2- b2and a - b = 12 then average of 'a' and 'b' is?

• 3 A
• 12 B
• 6 C
• 3/2 D

2/3 x 12 =

• 4 A
• 6 B
• 8 C
• 10 D
• 18 E

The average height of a class of 14 boys 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