Quantitative Aptitude - Arithmetic Ability Questions

Q:

50.003% of 99.8÷49.988 = ?

A) 2 B) 0
C) 1 D) 50
 
Answer & Explanation Answer: C) 1

Explanation:

50.003% of 99.8 ÷ 49.988 = ?

 

? ~= (50 x 100/100)/50

 

? ~= (50 x 100)/(100 x 50)

 

? ~= 1

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Filed Under: Simplification
Exam Prep: CAT , Bank Exams , AIEEE
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Q:

Seven years from now Virat will be twice as old as Mohinder. Five years ago Mohinder's age was one year less than 2/5 of Virat's age. What is Virat's present age?

A) 55 yrs B) 51 yrs
C) 57 yrs D) 53 yrs
 
Answer & Explanation Answer: A) 55 yrs

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

A water tank has holes. The 1st hole alone empties the tank in 9 min and 2nd hole alone empties the tank in 6 min. If water leaks out at a constant rate, how many min does it take if both the holes together empty the tank?

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

Explanation:
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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

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Q:

A trader owes a maerchant Rs10028 due 1yr hence The trader wants to settle the account after 3 months .If the rate of interest is 12%per annum How much cash should he pay?

A) Rs.9000 B) Rs.9002
C) Rs.9200 D) Rs.9120
 
Answer & Explanation Answer: C) Rs.9200

Explanation:

Required Money = P.W of Rs. 10028 due 9 months hence  

= Rs.[10028 x 100] / [100+(12 x 9/12)] =Rs.9200

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Filed Under: True Discount

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Q:

If A = 2B = 4C; what is the value of A : B : C?

A) 4 : 2 : 1 B) 1 : 2 : 4
C) 8 : 4 : 1 D) 16 : 4 : 1
 
Answer & Explanation Answer: A) 4 : 2 : 1

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Mahesh rows to the place 80 km away and back in 20 hours. He finds that he can row 8 km downstream in the same time as 4 km upstream. The speed of the boat in stillwater is

A) 9 kmph B) 7 kmph
C) 2 kmph D) 5 kmph
 
Answer & Explanation Answer: A) 9 kmph

Explanation:
If Mahesh moves 8 km downstream in X hours

Downstream speed = 8/X kmph

upstream speed = 4/X kmph

Now 80/(8/X) + 80/(4/X)=20

X=2/3

downstream Speed = 8/(2/3)= 12 kmph

upstream Speed = 4/(2/3)= 6 kmph

Rate of the stream = (12+6)/2= 9 kmph

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Filed Under: Boats and Streams
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Q:

In a 900 meters race, Sathish beats Kiran by 270 meters and Rahul by 340 meters. By how many meters does Kiran beat Rahul in the same race?

A) 140 B) 20
C) 100 D) 70
 
Answer & Explanation Answer: C) 100

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Two shirts are bought at the rate of Rs 400 each. Shopkeeper sells one at the profit of 150% and other at the loss of 150%. What will be the total profit or loss in the whole transaction?

A) Loss of Rs 50 B) No profit/loss
C) Profit of Rs 25 D) Loss of Rs 150
 
Answer & Explanation Answer: B) No profit/loss

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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