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. Mcqs

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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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When upper leeward stop the angle of pile of sand dunes is:...?

(A) 30-32 degree
(B) 32-34 degree

(C) 33-34 degree
(D) 35-36 degree

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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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Out of three given numbers, the first number is twice the second and thrice the third. If the average of the three numbers is 154, what is the difference between the first and the third number...?

(A) 168
(B) 126

(C) 166
(D) None of these

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If x= 3 + √8 Find the value of x² + 1/x²...?

(A) 32
(B) 34

(C) 36
(D) None of these

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The mean proportional of 4 and 16 is:...?

(A) +16
(B) +8

(C) +9
(D) None of these

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A rectangular lawn 80 meters by 60 meters has two roads each 10 m wide running in the middle of it, one parallel to the length and the other parallel to the breadth. Find the cost of gravelling them at Rest. 30 per square meter...?

(A) 3900
(B) 39000

(C) 30000
(D) None of these

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Three fifth students speak Spanish and one fourth speaks Italian how many percent speaks French:...?

(A) 30%
(B) 35%

(C) 40%
(D) 45%

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Solve: square root 13 and 13 power is 4...?

(A) 520
(B) 169

(C) 220
(D) 340

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6×6 inch tiles rate Rs. 60 room area of 10×6 feet. The total cost of tiles flooring is...?

(A) Rs14000
(B) Rs14400

(C) Rs15000
(D) Rs15400

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