Aptitude and Reasoning Questions

Q:

A miner sells a diamond to a trader at a profit of 40% and the trader sells it to a customer at a profit of 25%. If the customer pays Rs 56 lakhs to buy the diamond, what had it cost the miner (in Rs lakhs)?

A) 30 B) 28
C) 25 D) 32
 
Answer & Explanation Answer: D) 32

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Selling price of a watch is Rs 966 and profit percentage is 15%. If selling price is Rs 798, then what will be the loss percentage?

A) 5 B) 8
C) 7.21 D) 6.26
 
Answer & Explanation Answer: A) 5

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If 45 % 11 = 7, 59 % 34 = 7 then what is the value of 55 % 4 = ?

A) 6 B) 40
C) 45 D) 50
 
Answer & Explanation Answer: A) 6

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A thief is stopped by a policeman from a distance of 350 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of the policeman as 7 km/h, how far the thief would have run, before he is over- taken?

A) 875 metres B) 700 metres
C) 1050 metres D) 525 metres
 
Answer & Explanation Answer: A) 875 metres

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

ax + 5y = 8 has slope of -4/3. What is the value of a?

A) 20/3 B) 3/20
C) -20/3 D) -3/20
 
Answer & Explanation Answer: A) 20/3

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

A) 7 B) 20
C) -7 D) -20
 
Answer & Explanation Answer: C) -7

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If x2 + (1/x2) = 1, then what is the value of x48 + x42 + x36 + x30 + x24 + x18 + x12 + x6 + 1?

A) -9 B) 0
C) 1 D) 9
 
Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What should come in place of question mark (?) in the following question? (You do not have to calculate the exact value.)

(√80.997 - √25.001) × (√120.98 + √16.02) = ?

A) 20 B) 30
C) 40 D) 50
 
Answer & Explanation Answer:

Explanation:

Ans. 
Approximating the values:
(√81 - √25) × (√121 + √16) = ?
(9 - 5) × (11 + 4) = ?
4 × 15 = ?
? = 60

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

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