The value of √(-25) + 3√(-4)+2√(-9) is:...? Mcqs

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The value of √(-25) + 3√(-4)+2√(-9) is:...?

(A) 13i
(B) -13i

(C) 17i
(D) -17i

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423 a divisible by:...?

(A) 21
(B) 47

(C) 17
(D) 43

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A stenographer has been asked to fill out 500 forms. she fills 25 forms by the end of half an hour when she is joined by another stenographer who fill the forms at the rate of 45 per hour. The entire assignment will be carried out in...?

(A) 5 hours
(B) 5-1/2 hours

(C) 4-1/2 hours
(D) 6 hours

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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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Each day, Robert eats 40% of the pistachios left in his jar at that time. At the end of the second day,27 pistachios remain. How many pistachios were in the jar at the start of the first day?...?

(A) 75
(B) 80

(C) 85
(D) 95

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If x = 3+2√(2), find the value √(x) – 1√(x)....?

(A) 2
(B) 3

(C) 4
(D) None of these

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Six tenths is the same as:...?

(A) 60
(B) 0.6

(C) 6.0
(D) 0.06

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The cube root of 0.000126 is...?

(A) 0.06
(B) 0.6.

(C) 0.006
(D) 0.0006

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A motorcyclist travels 200 km in 1 hr. How many minutes it would take him to travel 120 km?...?

(A) 72 minutes
(B) 50 minutes

(C) 36 minutes
(D) 24 minutes

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A father is now three times as old as his son fiver year back he was four times as old as his son the age os son ( in year) is:...?

(A) 10
(B) 12

(C) 15
(D) 18

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