A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work...? Mcqs

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A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work...?

(A) 65/7 days
(B) 41/3 days

(C) 71/3 days
(D) 30/4 days

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Four men working together can dig a ditch in 42 days. They begin, but one man works only half-days. How long will it take to complete the job:...?

(A) 46 days
(B) 48 days

(C) 50 days
(D) 52 days

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Convert to Radical Form X ^ [2a / b] is:...?

(A) b * sqrt[x ^ [2a]]
(B) a * sqrt^[2b] x

(C) b * sqrt[x ^ [2b]]
(D) a * sqrt[x ^ [2a]]

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If one angle of a parallelogram is 24° less than twice the smallest angle, then the largest angle of the parallelogram is...?

(A) 68°
(B) 102°

(C) 112°
(D) 136°

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Samar bought a shirt for Rs 250 and sold it for Rs 295 find the profit...?

(A) 16%
(B) :18%

(C) 200
(D) None of the

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If scores are 75, 80, 85, what number makes the average...?

(A) 78
(B) 80

(C) 82
(D) 79

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A man buys an article for Rs. 27.50 and sells it for Rs.28.60 Find his gain percent:...?

(A) 1
(B) 2

(C) 3
(D) 4

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0.5 x 0.06 = ______

(A) 03
(B) 0.03

(C) 3
(D) 0.003

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A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work...?

(A) 27 days
(B) 54 days

(C) 56 days
(D) 68 days

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Solve the equation -8/20-+9/2-1/2=...?

(A) 7/20
(B) -27/5

(C) -3/20
(D) -23/9

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