12 water pumps can make a water tank empty in 20 minutes. But 2 pumps are out of order. How long will the remaining pumps take to make the tank empty...? Mcqs

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12 water pumps can make a water tank empty in 20 minutes. But 2 pumps are out of order. How long will the remaining pumps take to make the tank empty...?

(A) 20 minutes
(B) 24 minutes

(C) 28 minutes
(D) None of these

Latest MCQs

The sum or two numbers is 37 and the difference of thier squares is 185, the difference of the two numbers is...?

(A) 4
(B) 2

(C) 3
(D) 5

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A is two years older than B who is twice as old as C. If the sum of the ages of A, B and C is 27, how old is B...?

(A) 9
(B) 10

(C) 11
(D) 12

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What is the fifth term of the geometric sequence whose first term is 3 and whose common ratio is 2:...?

(A) 16
(B) 24

(C) 32
(D) 48

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A and B have the same amount of money at first. After A gave B $50, B had 5 times as much money as A had left. How much do A and B have at first?...?

(A) 50$
(B) 75$

(C) None of these
(D) 70$

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Length and width of a field are in the ratio 5:3. If the width of the field is 42 m then its length is:...?

(A) 100 m
(B) 80 m

(C) 50 m
(D) 70 m

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The cube root of 0.000126 is...?

(A) 0.06
(B) 0.6.

(C) 0.006
(D) 0.0006

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Six tenths is the same as:...?

(A) 60
(B) 0.6

(C) 6.0
(D) 0.06

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The binary decimal of 10100 is...?

(A) 20(10)
(B) 200(10)

(C) 200(100)
(D) None of these

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A man annual production sells in 75000, The use of 10% will be...?

(A) 6500
(B) 5500

(C) 4500
(D) None of these

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