NAT I General Science Quantitative

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

If 4x-y=13 and 3x-2y=7 then what is the average of 'x' and 'y'?

• 4 A
• 3 B
• 2 C
• 6 D

If a train travels 5/6 mile 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

If (p-3) (p+4) > (p-3)(p+8) , what is the best description of p?

• p=3 A
• -8<p<-5 B
• p={ } C
• p<3 D

(190)² - (150)²=?

• 58600 A
• 13600 B
• 1360 C
• 1600 D

If (p-3)(p+5)>(p-3)(p+8), what is the best description of p ?

• p = 3 A
• - 8 < p < - 5 B
• p = {    } C
• p < 3 D

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

• 13 A
• 23 B
• 27 C
• 5 D

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

• 28/3 A
• 112/3 B
• 28/12 C
• 14/7 D

If it takes 10 minutes to walk 3/4 mile, how many minutes will it take to walk the rest of the mile?

• 2 1/3 A
• 13 1/3 B
• 4 2/7 C
• 30 D

If (x+1/x)²=96 what is the value of x² + 1/x² ?

• 94 A
• 98 B
• 100 C
• 90 D

If you have 50 green, 50 orange, and 50 yellow jelly beans, how many bags can you fill for Halloween each containing 2 green, 3 orange, and 4 yellow jelly beans ?

• 12 A
• 13 B
• 16 C
• 17 D

x + y =17 and x=2, then value of y?

• 13 A
• 15 B
• 19 C
• 10 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

In a school there are 400 students , of whom 70% are boys. What is the number of girls?

• 130 A
• 200 B
• 280 C
• 2800 D

(60)²=?x72

• 3600 A
• 3528 B
• 0.02 C
• 50 D

How many miles are there between two cities if the distance is represented by a 2.4-inch line on a map having a scale of 1 inch to 8 miles ?

• 19.2 A
• 12.8 B
• 8.5 C
• 38 D

What is the sum of money, of which 6% is 18 dollars ?

• 600 A
• 200 B
• 300 C
• 10 D

If apples cost 3 for 37 cents, find the cost of 1 3/4 dozen apples.

• 111 cents A
• 159 cents B
• 259 cents C
• 211 cents 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

• 15 A
• 30 B
• 45 C
• 72 D