Q. Two years ago a man was six times as old as his son. In 18 years he will be twice as old as his son. Their pres ent ages are
1) 32 years, 7 years
2) 34 years, 9 years
3) 36 years, 11 years
4) 38 years, 13 years
Q. In three numers, the first is 2 times the second and the second is 3 times the third. If average of the three is 10, then the numbers are
1) 18, 3, 9
2) 9, 3, 18
3) 3, 9, 18
4) 18, 9, 3
Q. Eight years ago the age of A was twice the age of B and the ratio of their ages is 6:5. What is the difference of their ages?
1) 1 years
2) 4 years
3) 2 years
4) 3 years
Q. 10 years ago Garima's mother was 4 times older than her daughter. After 10 years, the mother will be twice older than the daughter. The present age of Garima is
1) 10 years
2) 30 years
3) 20 years
4) 15 years
Q. If 20% of a = b, then b% of 20 is the same as:
1) 4% of a
2) 5% of a
3) 20% of a
4) None of these
Q. In a certain school, 20% students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years age which is 48. What is the total number of students in the school?
1) 72
2) 80
3) 120
4) 100
Q. Two numbers A & B are such that the sum of 5% of A & 4% of B is two-third of the sum of 6% of A & 8% of B. Find the ratio of A : B.
1) 2 : 3
2) 1 : 1
3) 3 : 4
4) 4 : 3
Q. A student multiplied a number by 3/ 5 instead of 5/ 3. What is the percentage error in the calculation?
1) 34%
2) 44%
3) 54%
4) 64%
Q. In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got was:
1) 2700
2) 2900
3) 3000
4) 3100
Q. Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?
1) 57%
2) 60%
3) 65%
4) 90%
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