Quantitative Aptitude - Arithmetic Ability Questions

Q:

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

A) 90° B) 108°
C) 100° D) 36°
 
Answer & Explanation Answer: B) 108°

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Q:

What is the simplified value of (cos A + sin A)(cot A + tan A)?

A) sec A + cosec A B) sin A + cos A
C) tan A + cot A D) sec A – cosec A
 
Answer & Explanation Answer: A) sec A + cosec A

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Q:

The ratio of cost price and selling price 25:26. The percent of profit will be

A) 26% B) 25%
C) 1% D) 4%
 
Answer & Explanation Answer: D) 4%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?

A) 19 B) 38
C) 21 D) 29
 
Answer & Explanation Answer: B) 38

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?

A) 15 hours B) 13 hours
C) 16 hours D) 12 hours
 
Answer & Explanation Answer: A) 15 hours

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams , CAT

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Q:

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

 

A) 18   B) 25  
C) 24   D) 21
 
Answer & Explanation Answer: B) 25  

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Incentre of Δ ABC is I. ∠ABC = 90° and ∠ACB = 70°. ∠AIC is

A) 115° B) 100°
C) 110° D) 105°
 
Answer & Explanation Answer: C) 110°

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

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

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