Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 2+aa + 2+bb + 2+cc = 4, then the value of ab+bc+caabc is

A) 2 B) 1
C) 0 D) 1/2
 
Answer & Explanation Answer: D) 1/2

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Q:

Three numbers are in Arithmetic Progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is

A) 17 B) 15
C) 13 D) 10
 
Answer & Explanation Answer: C) 13

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Filed Under: Numbers
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Q:

In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?

 

A) 30 B) 20
C) 26 D) 34
 
Answer & Explanation Answer: D) 34

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Filed Under: Area
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Q:

What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?

A) 3/2 B) – 3
C) 1 D) 0
 
Answer & Explanation Answer: D) 0

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Q:

An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.

A) 385 marks B) 360 marks
C) 410 marks D) 435 marks
 
Answer & Explanation Answer: B) 360 marks

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Filed Under: Percentage
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Q:

The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?

A) x = -7; y = 7 B) x = 3; y = -3
C) x = 7; y = -7 D)  x = -3; y = 3
 
Answer & Explanation Answer: C) x = 7; y = -7

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Q:

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?

A) 7.5 cm B) 5 cm
C) 10 cm D) 2.5 cm
 
Answer & Explanation Answer: A) 7.5 cm

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Filed Under: Volume and Surface Area
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Q:

The value of 1/64 is equal to square of

A) 0.125 B) 0.135
C) 0.145 D) 0.225
 
Answer & Explanation Answer: A) 0.125

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