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 positive number when decreased by 4 becomes 21 times its reciprocal. The number is ______...?

(A) 5
(B) 6

(C) 7
(D) 8

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Omar Khayyam was a Persian:...?

(A) Mathematician
(B) Physician

(C) Chemist
(D) None of these

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Aslia has three types balls red, green and blue. If their ratio is 2:3:5 what percent of balls are green...?

(A) 20%
(B) 30%

(C) 45%
(D) 50%

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If all the members of a team are juniors or seniors, and if the ratio of juniors to seniors on the team is 3:5, what percent of team members are seniors...?

(A) 37.5%
(B) 40%

(C) 60%
(D) 62.5%

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1200 is lent out at 5% per annum simple interest for 3 years. Find the amount after 3 years...?

(A) 1290
(B) 1380

(C) 1470
(D) None of these

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'A' has a brother 'B'. 'A' is son of 'C'. 'D' is father of 'C'. What relation is 'B' of 'D'...?

(A) Brother
(B) Grandson

(C) Cousin
(D) Son

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In a factory, a group of 24 workers working 7 hours a day can produce 4000 units in 30 days. In how many days 30 workers will produce 3500 units by working 8 hours a day...?

(A) 30
(B) 24

(C) 20
(D) 16

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Complete the number or series: 6, 3, 12, 6, 24,...?

(A) 12
(B) 18

(C) 30
(D) 40

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The ratio of last year income of A, B & C was 3: 4: 5. While the ratio of their last year income to current year income is 4: 5; 2: 3 and 3: 4 respectively. If their total current year income is Rs. Find the present income of A...?

(A) Rs22400
(B) Rs22500

(C) Rs22600
(D) Rs22700

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