Ratio And Proportion Mcqs
Q.1: The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________?
A. 20
B. 30
C. 48
D. 58
Q.2: The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?
A. 8 : 9
B. 17 : 18
C. 21 : 22
D. Cannot be determined
Q.3: A surn of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is Bs share ?
A. Rs. 500
B. Rs. 1500
C. Rs. 2000
D. None of these
Q.4: Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________?o
A. 2 : 5
B. 3 : 5
C. 4 : 5
D. 6 : 7
Q.5: Two numbers 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 :________?
A. 27
B. 33
C. 49
D. 55
Q.6: In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?
A. 50
B. 100
C. 150
D. 200
Q.7: Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ?
A. 2 : 3 : 4
B. 6 : 7 : 8
C. 6 : 8 : 9
D. None of these
Q.8: If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ?t
A. 2 : 5
B. 3 : 7
C. 5 : 3
D. 7 : 3
Q.9: Find the fourth proportion to 3, 7 and 9.)
A. 63
B. 31
C. 21
D. 27
Q.10: A:B=2:3, B:C=3:4, A:D=4:5. Find C:D.$
A. 2:5
B. 4:5
C. 6:5
D. 8:5

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