Quantitative Aptitude - Arithmetic Ability Questions

Q:

If sec -5π/4 = x, then the value of x is

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

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1918
Q:

What is the simplified value of cosec6A  cot6A  3 cosec2A cot2A?

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

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0 1917
Q:

The value of x for which the expressions 5x + 17 and 17x - 5 become equal is _____.

A) 11/6 B) -11/6
C) 6/11 D)  -6/11
 
Answer & Explanation Answer: A) 11/6

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0 1917
Q:

If x = at2 and y = 2at then

A) x2 = 4ay B) y2 = 4ax
C) x2 + y 2 = a2 D) x 2 -­ y2 = a 2
 
Answer & Explanation Answer: B) y2 = 4ax

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1 1917
Q:

If sinA = x, then x is equal to

A) √(1 - cos2A) B) √(1 - sin2A)
C) √(1 + cos2A) D) √(1 + sin2A)
 
Answer & Explanation Answer: A) √(1 - cos2A)

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0 1917
Q:

Two numbers are 30% and 37% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 10 percent B) 7 percent
C) 11.11 percent D) 18.92 percent
 
Answer & Explanation Answer: C) 11.11 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1917
Q:

When a number is increased by 21, it becomes 114% of itself. What is the number?

A) 150 B) 252
C) 315 D) 189
 
Answer & Explanation Answer: A) 150

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1917
Q:

The difference between cost price and selling price is Rs 494. If loss percentage is 19%, then what is the selling price (in Rs)?

A) 2106 B) 2600
C) 3094 D) 2208
 
Answer & Explanation Answer: A) 2106

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 1917