## Ratio & Proportion Mcqs

MCQ: A bag contains 1 rupee, 2 rupee and 5 rupee coins amounting to Rs.264. If the ratio of the number of these coins is 3:5:4, find the number of 1 rupee coins.

1. 66
2. 48
3. 24
4. 8

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## Ratio & Proportion Mcqs

MCQ: A:B=2:3, B:C=3:4, A:D=4:5. Find C:D.

MCQ: The plan for a rectangular area is drawn to a scale of 1:500. If the length and breadth in the plan is 30 cm and 20 cm, find the actual area.

MCQ: The third proportional to 3.5, 5.6 is:___________?

MCQ: 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 :__________?

MCQ: Solve for x
2x:25 = 6:(x/3)

MCQ: The ratio of boys and girls in a class was 11:13. 8 girls and 4 boys join the class from this academic year and the ratio becomes 4:5. Find the strength of the class.

MCQ: The ratio of two numbers is 5:9. If each number is decreased by 5, the ratio becomes 5:11. Find the numbers.

MCQ: Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.

MCQ: Two numbers are in the ratio 5:4 and their difference is 10.What is the largest number?

MCQ: The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²

MCQ: A class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.

MCQ: Divide Rs.2000 into two shares in the ratio 3:2.

MCQ: 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 ?

MCQ: Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.

MCQ: If a flat costs Rs.4500 per sq. ft, and a commercial space costs Rs.9500 per sq. ft, then what is the ratio of their areas if the total cost of both are the same?

MCQ: 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 :________?

MCQ: Find the fourth proportion to 3, 7 and 9.

MCQ: The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.

MCQ: Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________?

MCQ: M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?

MCQ: Find the mean proportion between 5 and 45.

MCQ: A bag contains 50 paise, 1 rupee and 2 rupee coins in the ratio 2:5:8. If the total amount is Rs. 352, find the total number of coins in the bag.

MCQ: The perimeter of a triangle is 81 cm. If the sides are in the ratio 4:3:2, find the length of the largest side.

MCQ: 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?

MCQ: If x% of 200=y% of 250, find y:x.

MCQ: p is 50% more than q. Find the ratio of p to q.

MCQ: Two kinds of rice, 1st costs Rs.13 per kg and 2nd costs Rs.19 per kg are mixed together. Find the ratio in which the 2 types are mixed so that the mixture costs Rs.14.2 per kg?

MCQ: X, Y and Z are quantities of the same kind such that X:Y=5:8 and Y:Z=4:7. Find X:Z.

MCQ: The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number.

MCQ: Two natural numbers whose sum is 72 cannot be in the ratio: