12 water pumps can make a water tank empty in 20 minutes. But 2 pumps are out of order. How long will the remaining pumps take to make the tank empty...? Mcqs

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12 water pumps can make a water tank empty in 20 minutes. But 2 pumps are out of order. How long will the remaining pumps take to make the tank empty...?

(A) 20 minutes
(B) 24 minutes

(C) 28 minutes
(D) None of these

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The age age of A and B are in the ratio 6. 5 and sum of their ages is 44 years what will be the age of B after 8 years...?

(A) 22
(B) 25

(C) 28
(D) None of these

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If the height of a triangle is 4 cm less than its base, and the hypotenuse is 10 cm, find the other sides...?

(A) Base = 10 cm, Height = 6 cm
(B) Base = 8 cm, Height = 4 cm

(C) Base = 12 cm, Height = 8 cm
(D) None of these

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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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6 men, 7 women, and 5 children complete a job for 4400. If their individual wages are in the ratio of 4:3:2, the total money earned by the 5 children is...?

(A) 800
(B) 880

(C) 980
(D) 990

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For ordered pair [2, 4]:...?

(A) 2 is abscissa and 4 is ordinate
(B) 2 is ordinate and 4 is abscissa

(C) 2 and 4 both are abscissa
(D) 2 and 4 both are ordinate

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Minutes buy an old scooters for rs 4700 and spend rs 500 on its repairs. if he sells the scooters for rs 5800 his gain percentage is...?

(A) 4.5%
(B) 5.45%

(C) 10%
(D) 12%

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The average of 50 numbers is 30. If two numbers 35 and 40 are discarded, then the average of the remaining numbers is nearly___________...?

(A) 28.32
(B) 29.68

(C) 28.78
(D) 29.27

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Three numbers are in the ratio. 4:5:6 and their average is 30. The largest number is:...?

(A) 28
(B) 32

(C) 36
(D) 42

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If the mean of 7 terms is 40, the sum of those terms will be...?

(A) 280
(B) 480

(C) 200
(D) 346

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