If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work...? Mcqs

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If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work...?

(A) 60
(B) 45

(C) 40
(D) None of these

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If x, y are two positive real number and X power 1/3 = Y power 1/4 , then which of the following relations is true:...?

(A) XY
(B) X³=Y

(C) X=Y
(D) None of these

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A tank can be filled by pipe A in 3 hours and Pipe B in 5 hours. At 7 am, pipe A was opened. At what time will the tank be filled if pipe B was opened at 8 am...?

(A) 9 : 30 am
(B) 9 : 15 am

(C) 9 : 45 am
(D) None of these

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Find the average of 8 13 25 43 and 11...?

(A) 20
(B) 32

(C) 27
(D) 19

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What is the sum of the first 5 composite numbers:...?

(A) 25
(B) 33

(C) 37
(D) 43

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What would be the reciprocal of sum of of reciprocals of 2 & 3...?

(A) 0,47
(B) 0,2

(C) 0,77
(D) 1,2

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1200 is lent out at 5% per annum simple interest for 3 years. Find the amount after 3 years...?

(A) 1290
(B) 1380

(C) 1470
(D) None of these

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Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2:...?

(A) 10
(B) 28

(C) 35
(D) 38

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Three Fourth of number is 60 more than its third number. The number is...?

(A) 60
(B) 144

(C) 120
(D) None of these

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How many two digit numbers are divisible by 11...?

(A) 7
(B) 8

(C) 9
(D) 11

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