
1 . Find the compound ratio of 2:5, 3:7 and 5:7 ?
(A). 30:15:35:49
(B). 6:15:35:49
(C). 6:18:45:49
(D). 6:15:45:39
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2 . In a school, 20% of boys are equal to the one fourth of the girls. What is the ratio of boys and Girls in that school?
(A). 5:2
(B). 4:3
(C). 5:4
(D). 4:5
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3 . The HCF of three number is 26. If they are in the ratio of 2:3:5, then find the some of the smaller and largest number?
(A). 152
(B). 178
(C). 182
(D). 195
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4 . 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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5 . 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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6 . 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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7 . 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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8 . 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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9 . 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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10 . 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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