6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A missile travels at 1422 km/h. How many metres does it travel in one second?

A) 395 metres	B) 400 metres
C) 364 metres	D) 319 metres

Answer & Explanation Answer: A) 395 metres

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Nasir's birthday is on Thursday 18th May. On what day of the week will be Rehan's Birthday in the same year if Rehan was born on 19th August?

A) Wednesday	B) Saturday
C) Friday	D) Thursday

Answer & Explanation Answer: B) Saturday

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

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Q:

Giving two successive discounts of 25% is equal to giving one discount of ________%.

A) 43.75	B) 56.25
C) 50	D) 45

Answer & Explanation Answer: A) 43.75

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C:

A) 18 m	B) 20 m
C) 27m	D) 9 m

Answer & Explanation Answer: B) 20 m

Explanation:

A : B = 100 : 90.

A : C = 100 : 72.

B:C = B/A*A/C = 90/100*100/72 = 90/72

When B runs 90 m, C runs 72 m.

When B runs 100 m, C runs (72/90*100)m = 80m

B can give C 20 m.

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Filed Under: Races and Games

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Q:

7 hrs after a goods train passed a station, another train travelling at a speed of 54 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 11 hours. What is the speed of the goods train?

A) 39.6 km/hr	B) 49.5 km/hr
C) 33 km/hr	D) 26.4 km/hr

Answer & Explanation Answer: C) 33 km/hr

Explanation:

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Filed Under: Problems on Trains

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Q:

8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds?

A) 10 ltr	B) 20 ltr
C) 30 ltr	D) 40 ltr

Answer & Explanation Answer: B) 20 ltr

Explanation:

Let initial quantity be Q, and final quantity be F

F = Q(1 - 8/Q) $^{4}$

=> Q = 20

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Filed Under: Alligation or Mixture

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Q:

A student has to secure 40% marks to pass. He gets 67 and fails by 13 marks. What is the maximum marks?

A) 300	B) 200
C) 150	D) 240

Answer & Explanation Answer: B) 200

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If a= $x^{\frac{1}{3}} y^{\frac{1}{3}} + x^{\frac{- 1}{3}} y^{\frac{- 1}{3}}$ then $a^{3} - 3 a y - x$ is equal to

A) y^2x	B) x^2y
C) a^2x	D) a^2y

Quantitative Aptitude - Arithmetic Ability Questions

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