Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 123 x 356 = 43788, then 1.23 x 0.356 = ?

A) 437.88 B) 4.3788
C) 0.43788 D) 0.043788
 
Answer & Explanation Answer: C) 0.43788

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Q:

What is the value of Cot 60°- Sec 45°?

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

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Q:

In a company 2/3 of the workers are girls, 1/2 of the girls are married and 1/3 of the married girls live in hostel. If 3/4 of the boys are married and 2/3 of married boys live in hostel. Calculate the part of workers who don’t live in hostel.

 

A) 11/18 B) 15/18  
C) 17/18   D) 13/18
 
Answer & Explanation Answer: D) 13/18

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Q:

For the data given below. find the sum of mode. median and mean.6, 3, 8, 4, 3, 11, 7, 4, 5, 4.

A) 13.5 B) 13
C) 14 D) 14.5
 
Answer & Explanation Answer: C) 14

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Q:

What is the average of 90, 250, 240, 204, and 616?

A) 280 B) 210
C) 230 D) 255
 
Answer & Explanation Answer: A) 280

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Q:

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

A) 10 B) 25
C) 15 D) 20
 
Answer & Explanation Answer: D) 20

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Filed Under: Time and Work
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Q:

The value of tan80° tan10° + sin270° + sin20

A) 0 B) 1
C) 2 D) 32
 
Answer & Explanation Answer: C) 2

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Q:

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

A) 76.8 km/hr B) 64 km/hr
C) 96 km/hr D) 51.2 km/hr
 
Answer & Explanation Answer: B) 64 km/hr

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Filed Under: Time and Distance
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