1 . Three numbers are in the ratio 1 : 2 : 3. By adding 5 to each of them, the new numbers are in the ratio 2 : 3 : 4. The numbers are –
    A.  15, 30, 45
    B.  1, 2, 3
    C.  5, 10, 15
    D.  10, 20, 30
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    2 . The angle of elevation of a cloud from a point h meters above the surf ace of a lake i s 30° and the angle of depression of its reflection is 60°. Then the height of the cloud above the surface of the lake is –
    A.  h $\sqrt3$ m
    B.  h m
    C.  h $\sqrt2$ m
    D.  2 h m
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    3 . The product of two numbers is 24 times the difference of these two numbers. If the sum of these numbers is 14, find the larger number
    A.  4
    B.  6
    C.  8
    D.  9
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    4 .
    A.  D
    B.  E
    C.  A
    D.  G
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    5 . What percent of students from institute D have come out to be successful out of the total enrolled from this institute ?
    A.  115
    B.  95
    C.  80
    D.  85
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    6 . What i s t he approxi mate perc entage of students successful to enrolled from institute A ?
    A.  72
    B.  76
    C.  86
    D.  96
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    7 . The HCF of 0.54, 1.8 and 7.2 is –
    A.  1.8
    B.  0.18
    C.  0.018
    D.  18
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    8 . A student bought 4 books for ` 120 from one book shop and 6 books for ` 150 from another. The average price (in rupees) was –
    A.  ` 27
    B.  ` 27.50
    C.  ` 135
    D.  ` 138
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    9 . A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is ` 855, the total profit (in rupees) is –
    A.  1425
    B.  1500
    C.  1537.50
    D.  1576
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    10 . The radi i of two concentric circles are 17 cm and 10 cm respectively. A straight line ABCD intersects the larger circle at the point A and D and intersects the smaller circle at the point B and C. If BC = 12 cm, then the length of AD (in cm) is –
    A.  20
    B.  24
    C.  30
    D.  34
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