Quantitative Aptitude - Arithmetic Ability Questions

Q:

√[(1 ­ sinA)/(1 + sinA)] is equal to?

A) secA -­ tanA B) cosecA -­ cotA
C) secA + tanA D) cosecA + cotA
 
Answer & Explanation Answer: A) secA -­ tanA

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) 5210 B) 7214
C) 9218 D) 7426
 
Answer & Explanation Answer: D) 7426

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) OKGC B) TPLH
C) XSOK D) YUQM
 
Answer & Explanation Answer: C) XSOK

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Q:

What is the value of cos2A/(1 + sinA)?

A) 1 + sinA B) 1 ­- sinA
C) 1 -­ secA D) 1 + secA
 
Answer & Explanation Answer: B) 1 ­- sinA

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Q:

What is the value of tan 7π/4?

A) √3 B) -1/2
C) √3/2 D) -1
 
Answer & Explanation Answer: D) -1

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Q:

The greatest perfect square number of 6 digits is

A) 999001 B) 998001
C) 998009 D) 998101
 
Answer & Explanation Answer: B) 998001

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Q:

The sum of all prime numbers between 18 and 32 is:

A) 99 B) 100
C) 102 D) 97
 
Answer & Explanation Answer: C) 102

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Q:

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

A) X– (1/2)   B) X – (1/19)  
C) X – (19/10)   D) X – (19/9)
 
Answer & Explanation Answer: C) X – (19/10)  

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