Aptitude and Reasoning Questions

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

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

What is the simplified value of (1– sin A cos A)(sin A + cos A)?

A) sin2A – cos2A B) sin3A + cos3A
C) 0 D) 1
 
Answer & Explanation Answer: B) sin3A + cos3A

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

A) half B) two-third
C) one-fifth D) one-third
 
Answer & Explanation Answer: B) two-third

Explanation:

The present age of Father (f) = 48 and present age of son (s) = 28.8
The age of father at his sons birth is 48 - 28.8 = 19.2
Therefore the age of father was 2/3rd of his son's age at the time of his sons birth

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

A) 9.6% B) 2.4%
C) 7.2% D) 12%
 
Answer & Explanation Answer: A) 9.6%

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

What will come in place of the question marks (?) in the following Number series?8, 14, 26, 44, 68 (?)

A) 94 B) 102
C) 96 D) 98
 
Answer & Explanation Answer: D) 98

Explanation:

The pattern is + 6, + 12, + 18, +24 ...........So the missing term is = 68 +30 = 98

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Filed Under: Number Series

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Q:

Sumit is 28% less efficient than Amit. If Amit can make a wall in 54 days, then Sumit can complete the same work in how many days?

 

A) 75 B) 70
C) 72 D) 76
 
Answer & Explanation Answer: A) 75

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Filed Under: Time and Work
Exam Prep: Bank Exams

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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

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Filed Under: Profit and Loss
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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