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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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