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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The length and breadth of a square are increased by 30% and 20% respectively. By what percent is the area of the rectangle so formed exceeds the area of the square...?

(A) 56%
(B) 46%

(C) 36%
(D) 26%

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During a race, a race car burns fuel at a constant rate. After 4th lap 4 the car has 22 gallons left in its tank. After 7th lap, the car has 18 gallons left in its tank. Assuming the racecar does not refuel then how many laps are made at the end...?

(A) 10
(B) 12

(C) 14
(D) 16

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An element of an array is mentioned by its:...?

(A) Array
(B) Subscript

(C) Object
(D) Name of element

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If the price of carpet 8-meter-long and 3- meter-wide is Rs. 6288, what will be the price of 12-meter-long and 6-meter-wide carpet:...?

(A) Rs 16654
(B) Rs 18864

(C) Rs 21345
(D) Rs 12768

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Oscar pushed a new hat that was on sale for $5.06. The original price was $9.20. what percentage discount was the sal price...?

(A) 4.5%
(B) 41.4%

(C) 45%
(D) 55%

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Hexagon is number...?

(A) 6
(B) 8

(C) 7
(D) 9

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Find out the average of A and B if the given value is 16A and 16 B = 48...?

(A) 1.5
(B) 2

(C) 5.3
(D) .4

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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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A sum of money becomes doubles in 3 years at compound interest, compounded annually at the same rate. In how many years it will become 4 times of itself...?

(A) 5 years
(B) 6 years

(C) 7.5 years
(D) 12 years

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