Aptitude and Reasoning Questions

Q:

A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?

A) 20 B) 30
C) 18 D) 24
 
Answer & Explanation Answer: A) 20

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

In the following question, select the missing number from the given series.
7, 19, 42, 87, ?

A) 136 B) 176
C) 172 D) 216
 
Answer & Explanation Answer: B) 176

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Filed Under: Number Series
Exam Prep: Bank Exams

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Q:

0.08% of 120% of 50,000 is equal to __________.

A) 480 B) 48
C) 4800 D) 4.8
 
Answer & Explanation Answer: B) 48

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement: X = M < A < S = T < R

Conclusion:
I. M = T
II. R > A

A) If only conclusion I follow. B) If only conclusion II follow.
C) If either conclusion I or conclusion II follows. D) If neither conclusion I nor II follows.
 
Answer & Explanation Answer: B) If only conclusion II follow.

Explanation:

X = M < A < S = T < R
Conclusions:
For conclusion I - M < A < S = T - There is no relation between M and T.
I. M = T (false)
For conclusion II -
A < S = T < R
II. R > A (True) - R is greater than A.
Hence, only conclusion II follow.

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Filed Under: Coding and Decoding
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

The average of marks of 17 students in an examination was calculated as 71. But it was later found that the mark of one student had been wronglyentered as 65 instead of 56 and another as 24 instead of 50. The correct average is

A) 70 B) 71
C) 72 D) 73
 
Answer & Explanation Answer: C) 72

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels always come together?

A) 720 B) 1440
C) 1800 D) 3600
 
Answer & Explanation Answer: B) 1440

Explanation:

Given word is THERAPY.

Number of letters in the given word = 7

Number of vowels in the given word = 2 = A & E

Required number of different ways, the letters of the word THERAPY arranged such that vowels always come together is

6! x 2! = 720 x 2 = 1440.

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

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Q:

In a school , 391 boys and 323 girls have been divided into the largest possible equal classes , so that each class of boys numbers the same as each class of girls . What is the number of classes ?

A) 23 B) 19
C) 44 D) 17
 
Answer & Explanation Answer: D) 17

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

How many numbers are there from 2000 to 7000 which are both perfect squares and perfect cubes?

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: B) 1

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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