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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The ration of ages of two students is 3:2, if one is 5 years old, then the age of younger student is...?

(A) 5 years
(B) 10 years

(C) 15 years
(D) None of these

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The principal which will amounts to Rs 270.40 in 2 years at the rate of 4% per annum compound interest is..?

(A) 150
(B) 200

(C) 250
(D) None of these

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A can do a piece of work in 4 hours, B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it...?

(A) 12 hours
(B) 10 hours

(C) 24 hours
(D) 8 hours

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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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If P is the husband of Q and R is the mother of Q and S. what relation does R have P..?

(A) Mother
(B) Sister

(C) Sister in law
(D) Mother - in - law

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A solution of watar and sugar contains 10% sugar the solutions weight is 8 kg. When 2 kg of water is added to this solution the percentage of sugar becomes...?

(A) 8%
(B) 10%

(C) 12%
(D) 18%

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How many cubes of 1 cm we can cut from a cuboid of the dimension of 10cm x 12cm x 15cm:...?

(A) 160
(B) 180

(C) 1600
(D) 1800

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A man annual production sells in 75000, The use of 10% will be...?

(A) 6500
(B) 5500

(C) 4500
(D) None of these

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If the radius of circle is increased by 2% then what is the increased in percentage area...?

(A) 100/121
(B) 97/25

(C) 101/25
(D) None of these

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