
1 . A, B and C started a business with their investments in the ratio 1:3:5 after 6 months, A invested the same amount as before and B as well as C withdraw half of their investments. The ratio of their profits at the end of the years is : =
(A). 4:3:5
(B). 5:6:8
(C). 2:4:5
(D). 2:3:5
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2 . Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, what will be the age of A after 5 years?
(A). 15
(B). 18
(C). 20
(D). 25
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3 . A bag contains Rs. 1, 50 paise and 25 paise coins in the ratio of 6:7:11. If the total amount is Rs. 637, find the number of 50 paise coins is ?
(A). 572
(B). 364
(C). 378
(D). 392
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4 . Eight years age, A was half of B in age. If the ratio of their present age is 5:6. What will be the total of their present ages?
(A). 20yrs
(B). 22yrs
(C). 26yrs
(D). 33yrs
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5 . In an examination, 30% of the candidates wrote their answers in Hindi and the rest in English. The average marks of the candidates writing in Hindi 75 and the average marks of the candidates writing in English is 70. What is the average marks of all the candidates?
(A). 75.80
(B). 71.50
(C). 75.40
(D). 85.80
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6 . The sum of the ages of 7 children born at the intervals of 4 years each is 133 years. What is the age of the middle child.
(A). 19
(B). 27
(C). 17
(D). 11
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7 . The average ages of 45 students in a group is 16 years. When teacher’s age is included to it, the average increase by half. What is the teacher’s ages in years?
(A). 38.5
(B). 39
(C). 40
(D). None of these
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8 . A family consists of grand parents, parents and three grand children. The average ages of the grand parents is 68 years, that of the parents is 38yrs and that of the grand children is 8 years. What is the average age of the family?
(A). 31 5/7 years
(B). 32 1/7 years
(C). 33 5/7 years
(D). None of these
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9 . The area of a rectangle is 16sq.m and its length is 4 times its breath. What is the perimeter of the rectangle ?
(A). 18m
(B). 20m
(C). 16m
(D). 24m
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10 . (41.33)^{2} + (7.96)^{2}  (22.02)^{2} = ? What approximate value will come in place of question mark (?) in the following question ?
(A). 1280
(B). 1440
(C). 1580
(D). None of these
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