Quantitative Aptitude - Arithmetic Ability Questions

Q:

In a mixture of 25 litres, the ratio of milk to water is 4:1. Another 3 litres of water is added to the mixture. The ratio of milk to water in the new mixture is

A) 5:1 B) 5:2
C) 5:3 D) 5:4
 
Answer & Explanation Answer: B) 5:2

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Simplify 576b3x2a4z3/36a3b2z

A) 16bx2az2 B) 8bx2az2
C) 32ba2 z D) 32bxa2
 
Answer & Explanation Answer: A) 16bx2az2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

By which least number should 5000 be divided so that it becomes a perfect square?

A) 2 B) 5
C) 10 D) 15
 
Answer & Explanation Answer: A) 2

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30 deg with the ground. How high on the wall does the ladder reach?

A) 10 m B) 17.32 m
C) 34.64 m D) 3 m
 
Answer & Explanation Answer: A) 10 m

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If tanA + tanB = X, then the value of X is

A) (tanA - tanB)/(1 + tanAtanB) B) (tanA + tanB)/(1 - tanAtanB)
C) (tanA + tanB)/(1 + tanAtanB) D) (tanA - tanB)/(1 - tanAtanB)
 
Answer & Explanation Answer: B) (tanA + tanB)/(1 - tanAtanB)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

A) 3 B) 4
C) 5 D) 6
 
Answer & Explanation Answer: B) 4

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

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Q:

46% of 250 is equal to

A) 115 B) 92
C) 112 D) 13.5
 
Answer & Explanation Answer: A) 115

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Filed Under: Percentage
Exam Prep: Bank Exams

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