Aptitude and Reasoning Questions

Q:

35+37=?

 

A) 935 B) 612
C) 1135 D) 635
 
Answer & Explanation Answer: C) 1135

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 57821
Q:

For how many positive integers 'n', n3 - 8n2 + 20n - 13 is a prime?

 

A) 3 B) 2
C) 5 D) 7
 
Answer & Explanation Answer: A) 3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

2 57764
Q:

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

A) 123 B) 127
C) 235 D) 305
 
Answer & Explanation Answer: B) 127

Explanation:

Required number = H.C.F. of (1657 - 6) and (2037 - 5)

= H.C.F. of 1651 and 2032 = 127.

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Filed Under: HCF and LCM

251 57727
Q:

Find the next number in the number series?

1, 4, 12, 32, ?

A) 80 B) 100
C) 192 D) 169
 
Answer & Explanation Answer: A) 80

Explanation:

Next number of the sequence 1, 4, 12, 32,...

1 = 2 x 20

4 = 2 x 21

12 = 3 x 22

32 = 4 x 23

80 = 5 x 24.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

5 57722
Q:

What should come in place of question mark (?) in the following question?

45% of 400+ √? = 56% of 750 - 40% of 350

A) 10000 B) 1000
C) 10201 D) 9801
 
Answer & Explanation Answer: A) 10000

Explanation:

45/100×400+√?=56/100 ×750 -40/100 ×350

180 + √? = 420 - 140 180 + √? = 280 √? = 280 - 180 √? = 100 ? = 1002 ? = 10000

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Filed Under: Percentage

1 57721
Q:

In a family, there are six members A, B, C, D, E and F. 

A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died.  Who is C to B ? 

A) Brother B) Son-in-Law
C) Brother-in-Law D) None of these
 
Answer & Explanation Answer: C) Brother-in-Law

Explanation:

A is a male and married to B. So, A is the husband and B is the wife. C is the brother of A. D is the son of C. E, who is the sister of D will be the daughter of C. B is the daughter-in-law of F whose husband has died means F is the mother of A. 

C is the brother of A who is the husband of B. So, C is the brother-in-law of B 

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Filed Under: Blood Relations

1 57707
Q:

39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?

A) 10 B) 13
C) 14 D) 15
 
Answer & Explanation Answer: B) 13

Explanation:

Let the required number of days be x.

Less persons, More days (Indirect Proportion)

More working hours per day, Less days (Indirect Proportion)

Persons30:39Working hours/day6:5 12:x

 

=> 30 * 6 * x = 39 * 5 * 12 

 

=> x= 13

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Filed Under: Chain Rule

57 57653
Q:

Solve the following

 

23 - [23 - {23 - (23 - 23 + 23)}]

 

A) -1 B) 23
C) 1 D) 0
 
Answer & Explanation Answer: D) 0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 57577