1 . The quantity of water that should be added to reduce 18 ml lotion containing 50% alcohol to the lotion containing 30% alcohol is–
    A.  6 ml
    B.  8 ml
    C.  10 ml
    D.  12 ml
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    2 . The length of a rectangle is increased by 40%. By what percent the width of the rectangle have to be decreased to maintain the same area?
    A.  26.27%
    B.  28.57%
    C.  26.57%
    D.  28.27%
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    3 . Which is the greatest in $6\sqrt{4}$, $5\sqrt{5}$, $6\sqrt{6}$, $3\sqrt{2}$ is-
    A.$6\sqrt{4}$
    B.$5\sqrt{5}$
    C.$6\sqrt{6}$
    D.$3\sqrt 2$
    A.  a
    B.  b
    C.  c
    D.  d
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    4 . By selling a watch at a profit of 60% a man got ` 38 more than one third of its cost price. What is the cost price of watch?
    A.  ` 30
    B.  ` 45
    C.  ` 40
    D.  ` 60
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    5 . A man whose bowling average is 12.4 takes 6 wickets for 36 runs and there by decrease his average by 0.4. The number of wickets taken by him before his last match is –
    A.  98
    B.  89
    C.  72
    D.  90
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    6 . The average age of 11 players of a cricket team is decreased by 3 months when two of them aged 17 years and 20 years are replaced by two new players. The average age of the new players is–
    A.  17 years 1 month 15 days
    B.  17 years 3 months
    C.  16 years 11 months 3 days
    D.  15 years 9 months
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    7 . The value of $sin 39º\over cos 51º$ + 2tan11º tan31º tan45º .tan59º .tan79º – 3 (sin 2 21º + sin 2 69º) is –
    A.  2
    B.  1
    C.  -1
    D.  0
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    8 . A polygon has 44 diagonals. The number of sides of the polygon is–
    A.  9
    B.  11
    C.  10
    D.  12
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    9 .
    A.  70º
    B.  45º
    C.  60º
    D.  75º
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    10 . The perimeter of a rhombus is 80 cm and the measure of one of its angle is 60º, then its area will be–
    A. $100\sqrt3$ $cm^2$
    B. $200\sqrt3$ $cm^2$
    C. $50\sqrt3$ $cm^2$
    D. $150\sqrt3$ $cm^2$
    A.  a
    B.  b
    C.  c
    D.  d
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