NAT IGS General Science Quantitative Test Preparation for Pakistani Students

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

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

• 12 A
• 18 B
• -18 C
• 11 D

If x + 3y =7 and 2x + y =5 then value x/y is?

• 1/2 A
• 1/3 B
• 2/5 C
• 8/9 D

How many integers between 28 and 98 are exactly divisible by 7 ?

• 9 A
• 11 B
• 12 C
• 8 D

A word processing operator typed 44 words per minute. After practice, the operator's speed increased to 55 words per minutes. By what percent did the operator's speed increase ? (25%)

• 25% A
• 50% B
• 15% C
• 20% D

The population of 8 villages is 900, 750, 1100, 1050, 835, 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

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

12 is 3/4 of what number ?

• 20 A
• 24 B
• 16 C
• 8 D

In Myra had bowling scores of b+6, b-2, b+4, and b-5. what must she score in the next game to get overall average of b+2?

• b+7 A
• b-3 B
• b+3 C
• b-7 D

If (36)(?)(7)=21, then ? equals

• 21/43 A
• 1/42 B
• 1/12 C
• 1/11 D

• a-180 A
• 2a-180 B
• 180-2a C
• 180-b D

5/3 + 7/6 +9/3 +7/2 =?

• 28/3 A
• 112/3 B
• 28/12 C
• 14/7 D

• 20 A
• 25 B
• 40 C
• 50 D

The death rates for three diseases are :

Disease R 2 People out of 10,000

Disease S 13 People out of 1,000,000

Disease T 9 People out of 100,000

Disease R 2 People out of 10,000

What is the combined death rate for the three diseases?

• 123 out of 1,000,000 A
• 42 out of 10,000 B
• 42 out of 1000,000 C
• 303 out of 1,000,000 D

Find the arithmetic mean of 25.2, 13.5, 18.5 and 34.8

• 13 A
• 23 B
• 27 C
• 5 D

The value of (x+y)² + (x-y)² is?

• 4 A
• 2(x²+y²) B
• 4xy C
• -4xy D

The population of 8 villages is 900, 750, 1100, 1050, 835, 1250, 555, and 630. Find teh population of Ninth village if the average population of Nine villages is 900.

• 1200 A
• 1050 B
• 1030 C
• 7070 D

A rectangular lot 50 feet by 100 feet is surrounded on all sides by a concrete walk 5 feet wide. Find the number of square feet in the surface of the walk.

• 1600 A
• 5250 B
• 5500 C
• 6100 D

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

• 200 A
• 100 B
• 50 C
• 10 D

Change 4 4/2 to an improper fraction:

• 14/3 A
• 11/3 B
• 24/3 C
• 10/3 D