Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?

A) 128 cm B) 96 cm
C) 64 cm D) 32 cm
 
Answer & Explanation Answer: C) 64 cm

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Q:

Find the value of p if ­-3x -­ 11, x + p and 5x + 7 are in arithmetic progression.

A) 9 B) 2
C) -9 D) -2
 
Answer & Explanation Answer: D) -2

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Q:

What is the value of 2sec2A?

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

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Q:

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

A) Car B) Cycle
C) Tyre D) Truck
 
Answer & Explanation Answer: C) Tyre

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Q:

In a one day match of 50 overs in an innings the Team A had a run rate of 6.1 runs per over. Team B is playing and 10 overs are left and the required run rate to tie the match is 6.5 per over. What is Team B's score now?

A) 235 B) 230
C) 240 D) 225
 
Answer & Explanation Answer: C) 240

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Q:

The average revenues of 9 consecutive years of a company is Rs 65 lakhs. If the average of first 5 years is Rs 60 lakhs and that of last 5 years is Rs 72 lakhs, find the revenue for the 5th year.

A) Rs 77 lakhs B) Rs 75 lakhs
C) Rs 73 lakhs D) Rs 71 lakhs
 
Answer & Explanation Answer: B) Rs 75 lakhs

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Q:

What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?

 

A) 1 B) 6
C) 5 D) 4
 
Answer & Explanation Answer: A) 1

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Q:

What is the least number that should be added to the product 11 x 12 x 13 x 14 to make it a perfect square?

 

A) 1 B) 311
C) 5 D) 0
 
Answer & Explanation Answer: A) 1

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