A can do a piece of work in 4 days and B can do it in 12 days. In how many days will they finish the work, both working together...? Mcqs

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A can do a piece of work in 4 days and B can do it in 12 days. In how many days will they finish the work, both working together...?

(A) 4 days
(B) 2 days

(C) 3 days
(D) 6 days

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1/2, 2/3, 3/4 and 4/5 as like fractions are...?

(A) 30/60, 40/60, 45/60 and 48/60
(B) 40/60, 30/60, 45/60 and 48/60

(C) 40/60, 30/60, 48/60 and 45/60
(D) None of these

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What percentage is equivalent to 5 1/4...?

(A) 525%
(B) 425%

(C) 625%
(D) None of these

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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 average of four consecutive odd numbers is 24. Find the largest number:...?

(A) 25
(B) 27

(C) 29
(D) 31

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What is 20% as a fraction...?

(A) ½
(B) 1/20

(C) 1/5
(D) 1/0

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During the motion of hour hand and minute hand from 1:00 pm to 10:00 pm, the number of right angles formed is this period is:...?

(A) 9
(B) 10

(C) 18
(D) 20

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The mean proportional of 4 and 16 is:...?

(A) +16
(B) +8

(C) +9
(D) None of these

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For a qualification 2/5 of the marks were given for coursework. The rest of the marks were given for a written paper of which 3/8 were given for a mental test. Total marks were out of 120. How many marks were given for the mental test...?

(A) 30
(B) 55

(C) 27
(D) 45

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The average height of a class of 25 students is 4.4 A student of height 5. 7 feet is newly enrolled. Find the new average...?

(A) 4.43 feet
(B) 4.45 feet

(C) 4.31 feet
(D) 430 feet

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