Ratio & Proportion Mcqs

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

  1. 8
  2. 6
  3. 12
  4. 18

Facebook Page

This above question "The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number." taken from a category of Mathematics Quizzes, if you learn all question of this topic click on it "Mathematics Quizzes". It takes five to ten minutes to complete this free Quantitative MCQs paper 1 test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "Quantitative MCQs paper 1" MCQs and share with your friends, brothers, sisters.

Releted Questions

Ratio & Proportion Mcqs

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

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

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

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

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

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

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

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

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

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

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

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

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

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.