MCQs: 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.
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MCQs: Find the mean proportion between 5 and 45.
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MCQs: If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.
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MCQs: 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.
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MCQs: 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.
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MCQs: The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²
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MCQs: 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.
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MCQs: M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?
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MCQs: 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.
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MCQs: 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.
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MCQs: A class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.
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MCQs: 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?
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MCQs: If x% of 200=y% of 250, find y:x.
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MCQs: 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.
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MCQs: Divide Rs.2000 into two shares in the ratio 3:2.
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MCQs: The ratio of two numbers is 5:9. If each number is decreased by 5, the ratio becomes 5:11. Find the numbers.
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MCQs: The third proportional to 3.5, 5.6 is:___________?
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MCQs: 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?
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MCQs: X, Y and Z are quantities of the same kind such that X:Y=5:8 and Y:Z=4:7. Find X:Z.
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MCQs: 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?
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