6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If a = √2 + 1, b = √2 - 1 then the value of $((\frac{1}{a + 1} + \frac{1}{b + 1}))$ ?

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: B) 1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2326

Q:

56/32 simplified value?

A) 1.705	B) 1.450
C) 1.75	D) 7.50

Answer & Explanation Answer: C) 1.75

Explanation:

56/32 can be reduced as

56/32

= 28/16

= 14/8

= 7/4

= 1 3/4

= 1.75

Hence, simplified value of 56/32 = 3/4 = 1.75.

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

5 2325

Q:

Ravi invested Rs.P in a scheme A offering simple interest at 10% p.a. for two years. He invested the whole amount he received from scheme A, in another scheme (B) offering simple interest at 12% p.a. for five years. If the difference between the interests earned from schemes A and B was Rs. 13,00/, what is the value of P ?

A) 2500	B) 2000
C) 3000	D) 3500

Answer & Explanation Answer: A) 2500

Explanation:

It is given that the initial amount invested in scheme A is Rs P at 10%per Annum S.I. =PTR/100 = P x 10 x 2/100 Now the total amount after 2 years is = 1.2P New Rate of interest = 12% per annum Time = 5 years S.I for next 5 years when new principal amount is 1.2 P = 1.2Px12x5/100 = 0.72P Total amount after 5 years at 12% per annun = 1.72P Given that 1.72P - 1.2P = 1300 P = 1300/0.52 P = Rs. 2500

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Filed Under: Simple Interest

2 2324

Q:

What is the rate of interest (in %) if simple interest earned on a certain sum for the 3 years is Rs 6,000 and compound interest earned for 2 years is Rs 4,160?

A) 9	B) 8
C) 12	D) 6

Answer & Explanation Answer: B) 8

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

5 2320

Q:

A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot at a speed of 4 km/hour and partly on bicycle at a speed of 9 km/hour . The distance travelled on foot is

A) 14 km	B) 16 km
C) 20 km	D) 18 km

Answer & Explanation Answer: B) 16 km

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

0 2320

Q:

18 buckets of water fill a tank when the capacity of each bucket is 8 litres. How many buckets will be needed to fill the same tank, if the capacity of the bucket is 12 litres?

A) 12	B) 13.5
C) 24	D) Data insufficient

Answer & Explanation Answer: A) 12

Explanation:

Capacity of tank = (8 X 18) = 144 litres

If the capacity of each bucket = 12 litres

Then, Nunber of buckets needed = 144 / 12 = 12 buckets

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

3 2319

Q:

A trader sells wire and gains 60% on the cost price. What will be the profit % on selling price?

A) 33.33	B) 40
C) 60	D) 37.5

Answer & Explanation Answer: D) 37.5

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

5 2317

Q:

The ratio of the sum of the salaries of A and B to the difference of their salaries is 11:1 and the ratio of the sum of the salaries of B and C to the difference of their salaries is also 11:1. If A's salary is the highest and C's is the lowest then what is B's salary (in Rs) given the total of all their salaries is Rs 1,82,000?

A) 72000	B) 60000
C) 50000	D) 86400

Quantitative Aptitude - Arithmetic Ability Questions

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