NAT I Commerce Quantitative

2x2y when multiplied with x² + y² gives ?

• 2x²y³ + 2xy³ A
• 2x⁴y+ 2x²y³ B
• 2xy²+ 2x²y C
• 2xy³+ 2x³y D

A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank ?

• 300 A
• 750 B
• 250 3/4 C
• 333 1/3 D

A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting ?

• 4% A
• 300% B
• 75% C
• 400% D

In solving an arithmetic example, Donna, by mistake multiplied by 6 instead of dividing by 6. If her answer was 13 1/5, what should be the correct answer to the example?

• 2 8/11 A
• 5/66 B
• 2 1/5 C
• 11/30 D

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

• 13 A
• 23 B
• 27 C
• 5 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

A piece of fabric is cut into three sections so that the first is three times as long as the second and the second is three times as long as the third. What part of the entire piece is the smallest section ?

• 2/5 A
• 3/7 B
• 2/3 C
• 1/13 D

12% of x =360

• 250 A
• 100 B
• 400 C
• 3000 D

The value of x² + 5x +6 at x=2 is:

• 10 A
• 14 B
• 18 C
• 20 D

Find the ratio of 18 inches to 2 yards.

• 3/4 A
• 1/4 B
• 1/5 C
• 2/5 D

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

• 600 A
• 200 B
• 300 C
• 10 D

If a² - b² =36 and a-b =12 then average of 'a' and 'b' is?

• 3 A
• 12 B
• 6 C
• 3/2 D

7 x 21÷3 +3 / 8÷ 4 x 2

• 13 A
• 17 B
• 31 C
• 1 D

A team played 30 games of which it won 24. What part of the games played did it close ?

• 1/5 A
• 5/6 B
• 6/5 C
• 5 D

• 25/32 A
• 7/8 B
• 32/25 C
• 11/10 D

A factory employs M men and W women. What part of its employees are women ?

• W/(W+M) A
• W/M B
• (W+M)/M C
• M/W D

A man spent 10% of his money .After spending 60% of the reminder he has Rs.72 left. How much had he in the start?

• 10 A
• 100 B
• 200 C
• 400 D

Find the ratio of 18 inches to 2 yards.

• 
  A
• 
  B
• 
  C
• 
  D

 If a man's weekly salary is $X and he saves $Y, what part of his weekly salary does he spend?

• 
  A
• 
  B
• 
  C
• 
  D

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

• 94 A
• 98 B
• 100 C
• 90 D