1 .( 0.11 + 0.22 ) Ã— 3 is equal to â€“

A. 3

B. 1.9

C. 1

D. 0.3

2 .The LCM of two numbers is 44 times of their HCF. The sum of the LCM and HCF is 1125. If one number is 25, then the other number is --

A. 1100

B. 1200

C. 900

D. 800

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3 .If the selling price of an article is reduced by 60%, then there is a loss of 10% on cost price. The initial profit percent was

A. 70%

B. 80%

C. 100%

D. 125%

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4 .($1+\sqrt2\over\sqrt5 + \sqrt3$ + $1-\sqrt2\over\sqrt5 - \sqrt3$) is equal to

A. $\sqrt5 + \sqrt6$
B. $\sqrt5 - \sqrt6$
C. $2\sqrt5 + \sqrt6$
D. $2\sqrt5 - 3\sqrt6$

A. a

B. b

C. c

D. d

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5 .If 30% of (B â€“ A) = 18% of (B + A), then the ratio A : B is equal to â€“

A. 4 : 1

B. 1 : 4

C. 5 : 4

D. 5 : 9

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6 .In an examination, a student had to obtain 33% of the maximum marks to pass. He got 125 marks and failed by 40 marks. The maximum marks were

A. 500

B. 600

C. 800

D. 1000

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7 .If A : B = 3 : 4 and B : C = 8 : 9, then A : B : C is â€“

A. 8 : 6 : 9

B. 9 : 8 : 6

C. 6 : 8 : 9

D. 3 : 32 : 9

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8 .Two successive discounts of 10% and 5% are equivalent to a single discount of â€“

A. 15.25%

B. 14.25%

C. 14.50%

D. 15.50%

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9 .If the length of a rectangular plot of land is increased by 5% and the breadth is decreased by 10%, then how much will its area increase or decrease ?

A. 6.5% increase

B. 5.5% decrease

C. 5.5% increase

D. 6.5% decrease

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10 .The difference between the selling price and cost price of an article is ` 210. If the profit perecent is 25, then the selling price of the article is â€“

A. ` 950

B. ` 1050

C. ` 1150

D. ` 1250