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Q:

Find the next number in the given number sequence

200, 200, 100, 300, 75, ?

A) 150 B) 175
C) 250 D) 375
 
Answer & Explanation Answer: D) 375

Explanation:

The given number series is 200, 200, 100, 300, 75, ?

It follows a pattern that,

200

200 x 1 = 200

200 / 2 = 100

100 x 3 = 300

300 / 4 = 75

75 x 5 = 375

 

Hence, the next number in the given number sequence is 375.

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Filed Under: Number Series
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Q:

Find the odd man out of the following number sequence?

100, 101, 97, 105, 90

A) 90 B) 105
C) 97 D) 101
 
Answer & Explanation Answer: B) 105

Explanation:

The given number series 100, 101, 97, 105, 90

100

100 + 1^2 = 101

101 - 2^2 = 97

97 + 3^2 = 106 ( not 105)

106 - 4^2 = 90

 

Hence, the odd man in the given series is 105.

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Filed Under: Odd Man Out
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Q:

M can complete a piece of work in 10 days. N is 33.33% less efficient than M. calculate the number of days required to both to complete the work?

A) 6 days B) 8 days
C) 11 days D) 13 days
 
Answer & Explanation Answer: A) 6 days

Explanation:

M = 10 days

The ratio of efficiency of M & N are 3 : 2

Hence, the time rquired for N alone = 15 days

=> Required time taken t=by both to complete the work = M x N / M + N 

= 10 x 15/ 10 + 15

= 150/25

= 6 days.

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Filed Under: Time and Work
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Q:

H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is 24 x 35 x 52 x 72 . What is the third number?

A) 47628 B) 49874
C) 24157 D) 42146
 
Answer & Explanation Answer: A) 47628

Explanation:

hcf_of_three_numbers_3240,_3600_and_third_number_is_361542439249.jpg image

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Filed Under: HCF and LCM
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Q:

21 is 35 of what number?

A) 60 B) 85
C) 300 D) 21
 
Answer & Explanation Answer: A) 60

Explanation:

The given sentence 21 is 35 of what number means that 

21 is 35 % of what number

Let that number be P

=> 35P/100 = 21

35P = 2100

P = 2100/35 = 300/5 = 60

 

Hence, 21 is 35 of 60.

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Filed Under: Percentage
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Q:

By default, a real number is treated as a

A) Integer B) Float
C) Double D) Long double
 
Answer & Explanation Answer: B) Float

Explanation:

By default, a real number is treated as a float variable.

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Filed Under: Computer
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Q:

Find the next number in the given number series?

10, 6, 8, 15, ?

A) 34 B) 24
C) 28 D) 30
 
Answer & Explanation Answer: A) 34

Explanation:

The given number series is 10, 6, 8, 15, ?

10

10 x 0.5 + 1 = 6

6 x 1 + 2 = 8

8 x 1.5 + 3 = 15

15 x 2 + 4 = 34

 

Hence, the next number in the given series is 34.

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Filed Under: Number Series
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Q:

Find the wrong number in the given number series?

180, 90, 60, 40, 36

A) 36 B) 40
C) 60 D) 90
 
Answer & Explanation Answer: B) 40

Explanation:

The given number series is 180, 90, 60, 40, 36

It follows a pattern that,

180 x 1/2 = 90

90 x 2/3  = 60

60 x 3/4  = 45 (NOT 40)

45 x 4/5  = 36

 

Hence, the wrong number in the given series is 40.

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Filed Under: Odd Man Out
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