A Ladder 15 m Long Just Reaches the Top of a Vertical Wall. If the Ladder Makes an Angle of 60° with the Wall, Then the length of the Wall is:...? Mcqs

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A Ladder 15 m Long Just Reaches the Top of a Vertical Wall. If the Ladder Makes an Angle of 60° with the Wall, Then the length of the Wall is:...?

(A) 15 √3 m
(B) 152 m

(C) 15/2 m49
(D) 15 √ 7 m

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A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h Calculate the average speed for the whole journey...?

(A) 40 km/h
(B) 44 km/h

(C) 48 km/h
(D) 52 km/h

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3 boxes have some average weight. When one box which weights 89 kg is replaced by another box, the average weight increases by 5 kg. How much the new box weighs...?

(A) 109 kg
(B) 94 kg

(C) 104 kg
(D) 84 kg

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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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How many terms are there in 20, 25, 30__140...?

(A) 22
(B) 23

(C) 24
(D) 25

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If 1< x <2, then find the value of √(x-1)² + √(x-3)²...?

(A) 2
(B) 4

(C) 5
(D) None of these

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A car travels at the speed of 36 km per hour. What is the distance traveled by the car within 20 second in meter:...?

(A) 100 m
(B) 150 m

(C) 200 m
(D) 250 m

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A certain number of two digits is three times the sum of its digits, and if 45 be added to it, its digits are reversed. Find the number.

(A) 27
(B) 39

(C) 45
(D) None of these

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If 1 day work = 1/20 then time required to finish the job (in depth)...?

(A) 20
(B) 10

(C) 25
(D) 30

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A steam shovel excavates 2 cubic yards every 40 seconds. At this rate the amount excavated in 45 minutes is:...?

(A) 90 cubic yards
(B) 135 cubic yards

(C) 270 cubic yards
(D) 1200 cubic yards

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