Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of sinAtanA/(1 - cosA)?

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

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Q:

Which of the following quadratic equations has real roots?

A) 4x2 - 7x + 5 = 0 B) 5x2 - 11x + 7 = 0
C) 5x2 - 11x + 8 = 0 D) 2x2 - 7x + 5 = 0
 
Answer & Explanation Answer: D) 2x2 - 7x + 5 = 0

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Q:

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?

A) 15 B) 12
C) 8 D) 7
 
Answer & Explanation Answer: C) 8

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Q:

Find the odd word / letter / number from the given alternative

A) 36 - 48 B) 56 - 44
C) 78 - 66 D) 33 - 64
 
Answer & Explanation Answer: D) 33 - 64

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Q:

Select the odd word from the given alternatives.

A) Moon B) Mars
C) Saturn D) Pluto
 
Answer & Explanation Answer: A) Moon

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Q:

If a = √2 + 1 and b = √2 - 1, then the value of 1a+1+1b+1 will be

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

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Q:

If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to

A) -12 B) 0
C) 8 D) 12
 
Answer & Explanation Answer: D) 12

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Q:

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

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

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