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...? Mcqs

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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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Product of two numbers is 72.Find the other number when one is 9...?

(A) 2
(B) 8

(C) 5
(D) None

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A solution of watar and sugar contains 10% sugar the solutions weight is 8 kg. When 2 kg of water is added to this solution the percentage of sugar becomes...?

(A) 8%
(B) 10%

(C) 12%
(D) 18%

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A batsman in his 12th innings makes a score of 80 runs and there by increases his average score by 3. What is his average after the 12th innings...?

(A) 45
(B) 46

(C) 47
(D) None of these

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If A is equal to √5+1 +√5-1, B is equal to √5-1 +√5+1 then A+B is...?

(A) 1
(B) 2

(C) 3
(D) None of these

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5/0.5 =...?

(A) 2.5
(B) 25

(C) 10
(D) 1

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1 metric ton is equal to...?

(A) 100 KG
(B) 500 KG

(C) 1000 KG
(D) 10000 KG

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The sum of two numbers is 40 and their difference is 4. The ratio of the numbers is:...?

(A) 21:19
(B) 22:9

(C) 11:9
(D) None of these

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A man rows to a place 48 km distance and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is...?

(A) 5 km/h
(B) 4 km/h

(C) 3 km/h
(D) 1 km/h

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If a certain job can be finished by 18 workers In 26 days. How many workers are needed to finish job in 12 days...?

(A) 33 days
(B) 36 days

(C) 39 days
(D) 42 days

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