NAT I Commerce Quantitative

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

If x=7y+3 and z=49y² then what is 'z' in terms of x?

• X2 A
• x²-3 B
• (x-3)²/7 C
• None 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

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

• 10 A
• 100 B
• 200 C
• 400 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 abc = 2 and a =c then b=

• a² A
• 1/2a B
• 2/a² C
• 2-a² D

A candy recipe calls for 5 parts milk, 4 parts cocoa, 4 parts syrup,2 parts sugar, and 1 part butter. If you use 8 ouncres of milk, how many ounces of candy mixture can you make?

• 25 3/5 A
• 5 3/5 B
• 20 C
• 128 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

• 24 A
• 12√2 B
• 16√2 C
• 48 D

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

816 - 288÷ 24 =?

• 22 A
• 828 B
• 528 C
• 804 D

If the ratio of x : y is 9 : 7, then x+y is

• 16 A
• 2 B
• 1 C
• None 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

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

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

• 13 A
• 15 B
• 19 C
• 10 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 x + 3y =7 and 2x + y =5 then value x/y is?

• 1/2 A
• 1/3 B
• 2/5 C
• 8/9 D

(242 - 17)² - (7-5)²=?

• 49000 A
• 49200 B
• 94200 C
• 49400 D

Out of the 44 boys in a class 9 are of the age of 10, 15 at the age of 9, and the rest are at the of 8. Find their average age.

• 7.85 A
• 8.75 B
• 12.2 C
• 14.35 D

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

• 68 A
• 69 B
• 70 C
• 71 D