## Ratio & Proportion Mcqs

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 ?

1. 8 : 9
2. 17 : 18
3. 21 : 22
4. Cannot be determined

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## Ratio & Proportion Mcqs

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: 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 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: 4 singers, 5 dancers and 3 comperes divide an amount of Rs.130000 among themselves such that 3 comperes get as much as 2 dancers and 3 dancers get as much as 2 singers. Find the amount received by a singer.

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

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

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

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, B, C and D divide a sum of money among themselves in the ratio 7:4:3:2. If D gets Rs. 500 less than A, find the total amount.

MCQ: The sum of cubes of two numbers is 280. If the numbers are in the ratio 2:3, find the smallest number.

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

MCQ: In what ratio should the profit of Rs.8000 be divided if X starts a business with an investment of Rs. 20000, Y invests Rs.7500 for 4 months and Z invests Rs.15000 after 3 months from the start of the business.

MCQ: 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 B’s share ?

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

MCQ: If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ?

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

MCQ: x is 20% more than z and y is 80% more than z. Find x:y.

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

MCQ: The sum of three numbers is 172. The ratio of the first and second numbers is 8:11. The ratio of the second and third is 5:7. Find the second number.