Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of 232 ?

A) 64 B) 128
C) 512 D) 256
 
Answer & Explanation Answer: C) 512

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Q:

The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is

A) 360 B) 260
C) 240 D) 180
 
Answer & Explanation Answer: D) 180

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Q:

What is the value of (32 cos6x  48 cos4x + 18 cos2x  1)/[4 sin x cos x sin (60  x) cos (60  x) sin (60 + x) cos (60 + x)]?

A) 4 tan 6x B) 4 cot 6x
C) 8 cot 6x D) 8 tan 6x
 
Answer & Explanation Answer: C) 8 cot 6x

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Q:

If a3- b3= 91 and a - b = 1, then what is the value of ab?

A) 27 B) 6
C) 9 D) 30
 
Answer & Explanation Answer: D) 30

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Q:

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

A) 3072 B) 3500
C) 4608 D) 3240
 
Answer & Explanation Answer: A) 3072

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Q:

ΔDEF is similar to ΔGHI. Length of DE is 9 cm and length of the corresponding side GH is 16 cm. What is the ratio of areas of Δ DEF : Δ GHI?

A) 3:4 B) 9:16
C) 81:256 D) 16:9
 
Answer & Explanation Answer: C) 81:256

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Q:

If the value of 3-1.732, then calculate the value of 243-12108-147

A) 1.732 B) -1.464
C) 3.464 D) -1.732
 
Answer & Explanation Answer: D) -1.732

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Q:

When a number is increased by 28, it becomes 107% of itself. What is the number?

A) 336 B) 420
C) 400 D) 252
 
Answer & Explanation Answer: C) 400

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