Q. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
1) 8 : 9
2) 17 : 18
3) 21 : 22
4) Cannot be determined
Q. Salaries of Ravi and sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
1) Rs. 17,000
2) Rs. 20,000
3) Rs. 25, 500
4) Rs. 34, 000
Q. If 0.75 : x :: 5 : 8, then x is equal to:
1) 1.12
2) 1.2
3) 1.25
4) 1.30
Q. The sum of three numbers is 98. If the ratio of the first to second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :
1) 20
2) 30
3) 48
4) 58
Q. The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
1) 3 : 3 : 10
2) 10 : 11 : 20
3) 23 : 33 : 60
4) Cannot be determined
Q. The fourth proportional to 5, 8, 15 is :
1) 18
2) 24
3) 19
4) 20
Q. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :
1) 27
2) 33
3) 49
4) 55
Q. In a bag, there are coins of 25p, 10p and 5p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5p coins are there?
1) 50
2) 100
3) 50
4) 200
Q. If a six digit number 53a29b is divisible by 88 then the value of a & b should be respectively
1) 2 and 8
2) 8 and 2
3) 8 and 6
4) 4 and 8
Q. The sum of first 25 odd no. is equal to
1) 324
2) 625
3) 615
4) 400
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