Ratio & Proportion Mcqs
MCQ: The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²
- 54 cm
- 27 cm
- 12 cm
- 15 cm
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Ratio & Proportion Mcqs
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: A:B=2:3, B:C=3:4, A:D=4:5. Find C:D.
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: 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: 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 class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.
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: 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: 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: The sum of cubes of two numbers is 280. If the numbers are in the ratio 2:3, find the smallest number.
MCQ: In a partnership for a business, Changaz invests Rs.6000 for complete year & Nasir invests Rs.3000 for 6 months. What is Nasir’s share if they earn Rs.240 as profit?
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: 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: Solve for x
2x:25 = 6:(x/3)
MCQ: M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?
MCQ: If x% of 200=y% of 250, find y:x.
MCQ: Find the fourth proportion to 3, 7 and 9.
MCQ: Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.
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.
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: Divide Rs.2000 into two shares in the ratio 3:2.
MCQ: x is 20% more than z and y is 80% more than z. Find x:y.
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 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 sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number.
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: Two numbers are in the ratio 5:4 and their difference is 10.What is the largest number?
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 mean proportion between 5 and 45.