NAT ICS Computer Science Quantitative Test Preparation for Pakistani Students

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

25% of 4÷ 4% of 25 =?

• 1 A
• 3 B
• 0 C
• 6 D

A rectangle is 16 cm long and 10 cm wide. If the length is reduced by k cm and its width is increased also by k cm so as to make it a square then its area changes by

• 169 A
• 256 B
• 100 C
• 9 D
• None of the above E

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% A
• 50% B
• 15% C
• 20% D

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

• 94 A
• 98 B
• 100 C
• 90 D

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

• 13 A
• 23 B
• 27 C
• 5 D

√256÷√64=?

• 1/4 A
• 26/8 B
• 16 C
• 4 D

(44 x 3) + 128 + 120 / 9.5 - 94.7

• 380 A
• 10 B
• 76.12 C
• 100 D

The average height of a class of 14 boys is 5.3 feet. A new boy admitted to the class, the new average of 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

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

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

• 200 A
• 100 B
• 50 C
• 10 D

(x+y)²=25 and x²+y²=13 then xy is equal to?

• 16 A
• 20 B
• 18 C
• 6 D

Change 27/7 to a mixed number.

• 6 1/3 A
• 7 1/2 B
• 3 6/7 C
• 2 1/7 D

1250÷ 25 x 0.5 = ?

• 25 A
• 50 B
• 2.5 C
• 100 D

• 20 A
• 25 B
• 40 C
• 50 D

2.08 - (0.5)²=?

• -1.20 A
• 1.88 B
• 1.83 C
• 2.16 D

David receives his allowance on Sunday. He spends 1/4 of his allowance on Monday and 2/3 of the remainder on Tuesday. What part of his allowance is left for the rest of the week ?

• 2/3 A
• 4/5 B
• 6/7 C
• 1/4 D

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

• 600 A
• 200 B
• 300 C
• 10 D

How many cents will r books cost if t books cost m dollars?

• 100mr / t A
• mr / 100 B
• 100t / mr C
• m / 100t D

How many cents will r books cost if t books cost m dollars ?

• 
  A
• 
  B
• 
  C
• 
  D