Quantitative Aptitude - Arithmetic Ability Questions

Q:

If X=32, then the value of 27x3-54x2+36x-11 is

A) 1138 B) 1158
C) 1238 D) 1258
 
Answer & Explanation Answer: D) 1258

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Q:

If  tan2A / (secA -­ 1)2 = x, then the value of x is

A) (1+cosecA) / (1­-cosecA) B) (1+cosA)(1-­cosA)
C) (1+cosA) / (1­-cosA) D) (1+cosecA)(1­-cosecA)
 
Answer & Explanation Answer: C) (1+cosA) / (1­-cosA)

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Q:

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

 

 

A) 61 B) 21
C) 16 D) 81
 
Answer & Explanation Answer: C) 16

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Q:

D and E are points on the sides AB and AC respectively of ΔABC such that DE is parallel to BC and AD:DB = 4:5, CD and BE intersect each other at F. Then the ratio of the areas of ΔDEF and ΔCBF

A) 16:25 B) 16:81
C) 81:16 D) 4:9
 
Answer & Explanation Answer: B) 16:81

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) E5T B) O9S
C) U3A D) I7M
 
Answer & Explanation Answer: C) U3A

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Q:

Select the odd number from the given alternatives.

A) 110 B) 140
C) 154 D) 198
 
Answer & Explanation Answer: B) 140

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Q:

Findout the odd word/letters/number/number pair from the given alternatives.
7 : 50 : : 9 : ?

A) 37 B) 82
C) 17 D) 90
 
Answer & Explanation Answer: B) 82

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Q:

Two labourers A and B are paid a total of Rs. 1120 per day. If A is paid 180 percent of what is paid to B, how much (in Rs) is B paid?

A) 400 B) 720
C) 500 D) 620
 
Answer & Explanation Answer: A) 400

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