Quantitative Aptitude - Arithmetic Ability Questions

Q:

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

A) 4/15 B) -15/4
C) -4/15 D) 15/4
 
Answer & Explanation Answer: D) 15/4

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Q:

Product of 9b2, 3a2 and 4ab is

A) 108a2b2 B) 108a3b3
C) 108a3b2 D) 108a4b4
 
Answer & Explanation Answer: B) 108a3b3

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Q:

The ratio of two numbers is 2 : 3. If the sum of both the numbers is 75, then what is the larger number among both the numbers?

A) 45 B) 30
C) 50 D) 48
 
Answer & Explanation Answer: A) 45

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Q:

What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?

A) 3x - 5y = 15 B) 5x - 3y = 15
C) 5x + 3y = 15 D) 3x + 5y = 15
 
Answer & Explanation Answer: B) 5x - 3y = 15

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Q:

If cos 45° - ­ sec 30° = x, then value of x is

A) (1+√2)/2 B) (2√2­√3)/2
C) (√3­2√2)/√6 D) 4/√3
 
Answer & Explanation Answer: C) (√3­2√2)/√6

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Q:

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

A) Square B) Rectangle
C) Rhombus D) Polygon
 
Answer & Explanation Answer: D) Polygon

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Q:

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

A) 234 B) 345
C) 243 D) 432
 
Answer & Explanation Answer: B) 345

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Q:

If sin(A/2) = x, then the value of x is

A) √[(1 + cosA)/2] B) √[(1 -­ cosA)/2]
C) √[(1 -­ sinA)/2] D) √[(1 + sinA)/2]
 
Answer & Explanation Answer: B) √[(1 -­ cosA)/2]

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