A can do a piece of work in 6 days and b can do the same work in 12 days. How will it take if both A and B do the work together...? Mcqs

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A can do a piece of work in 6 days and b can do the same work in 12 days. How will it take if both A and B do the work together...?

(A) 4
(B) 6

(C) 8
(D) 10

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A manufacturer of TV sets produced 600 units in the third year and 700 units in the seventh year. Assuming that the production increases uniformly by a fixed number every year, find the production in the first year?...?

(A) 250 TV sets
(B) 350 TV sets

(C) 450 TV sets
(D) 550 TV sets

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Complete the series: 3, 4, 7, 8, 11, 12,...?

(A) 7
(B) 10

(C) 14
(D) 15

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The sum of two numbers 10 is and their product is 20 What is the sum of their reciprocals...?

(A) 1/10
(B) 1/2

(C) 1
(D) 2

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Factoring 3x2y2-14xy+16...?

(A) xy-2X3xy-8
(B) xy-23y-8

(C) y-23xy-8
(D) None of these

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The diameter of a wheel of a car is 48 cm. If the car travels at an average speed of 3,5 km/h. The number of revolutions made by the wheel per minute is:...?

(A) 09
(B) 19

(C) 29
(D) 39

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The ration of ages of two students is 3:2, if one is 5 years old, then the age of younger student is...?

(A) 5 years
(B) 10 years

(C) 15 years
(D) None of these

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statement 9/11 + 5/7 =...?

(A) 2/3
(B) 3/2

(C) 1/3
(D) None Of These

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In a class total students are 200, 180 appeared in the exam 70% qualified. How many failed in the exam

(A) 50
(B) 54

(C) 56
(D) 80

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Nasir bought a practical book for Rs. 60 and sold it for Rs. 40. How much loss did he get...?

(A) 600
(B) 60

(C) 20
(D) none of these

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