NAT I Arts Quantitative

The value of (x+y)² + (x-y)² is?

• 4 A
• 2(x²+y²) B
• 4xy C
• -4xy 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

Ay-b=c-dy what is 'y' in terms of 'a', 'b' and 'c'?

• 30 A
• 38/2 B
• 38/3 C
• 38/5 D

25% of 4÷ 4% of 25 =?

• 1 A
• 3 B
• 0 C
• 6 D

If 2x + y + b11 nad 3x + 2y =17 then y is?

• 1 A
• 5 B
• 6 C
• 4 D

t is an integer greater than 5. The expression that must represent an odd integer is 

• t(t+1) A
• 3t-1 B
• t² C
• 2t-3 D

When 3x²+5x+7 is subtracted from x²+8x+3 the result is?

• 5x²-3x+4 A
• 3x-2x²-4 B
• x²+8x+10 C
• 11x²+3x+10 D

One-sixth of a day is what part of the time between 3 p.m. Monday and 3 p.m. Thursday of the same week ?

• 1/10 A
• 1/18 B
• 1/15 C
• 1/12 D

If the area of two circles are in the ratio 169 : 196 then ratio of their radii is 

• 13 : 11 A
• 10 : 13 B
• 14 : 13 C
• 13 : 14 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

If abc= 2 and a = c then b =

• a² A
• 1/2a B
• 2/a² C
• 2-a² D

The population of a city increased in two years from 25,000 to 30,000: find the increase percent during the time.

• 10% A
• 20% B
• 40% C
• 5% D

• b A
• b-180 B
• 90-b C
• 180-b D

Change 4 4/2 to an improper fraction:

• 14/3 A
• 11/3 B
• 24/3 C
• 10/3 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 3/5 C
• 333 1/3 D

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

• 380 A
• 10 B
• 76.12 C
• 100 D

If a machine can place a cap on a bottle of soda every 0.8 seconds, how many bottles can be capped in 2 hours?

• 8000 A
• 9000 B
• 300 C
• 900 D

If the redius of a circle is increased by 20% then the area is increased by

• 44% A
• 120% B
• 144% C
• 40% D

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

• 120 A
• 200 B
• 280 C
• 2800 D

If 3 1/5 c=2 1/2 b and c≠0, then b/c=?

• 25/32 A
• 7/8 B
• 32/25 C
• 11/10 D