## Ratio & Proportion Mcqs

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.

1. 2
2. 3
3. 5
4. 6

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## Ratio & Proportion Mcqs

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: 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: In what ratio should the profit be divided if M, N, O invests capital in ratio 2:3:5 and their timing of their investments are in the ratio 4:5:6.

MCQ: Find the mean proportion between 5 and 45.

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

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

MCQ: A journey of 750 km was covered partly by car(x km) and partly by train(y km). If the distance travelled by train was 150 km more than the distance travelled by car, find x:y.

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

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

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

MCQ: The number of seats available for Biology and Computer Science in a school is in the ratio 5:8. They are to be increased by 30% and 25% . Find the new ratio.

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

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

MCQ: What is the ratio of Faheemâ€™s salary to Imranâ€™s salary to Naveedâ€™s salary if Faheem makes 80,000 rupees ,Imran 70,000 rupees and Naveed makes 50,000 rupees ?

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.

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

MCQ: According to a recipe, 400 grams of flour should be mixed with 500 grams of sugar to bake cookies. If I have only 300 grams of flour, how much sugar should I mix to maintain the same proportion?

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

MCQ: If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.

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

MCQ: The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cmÂ²

MCQ: 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 ?

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