11 questions in Ratio and Proportion - HI MCQ!

Find the third proportional to 9 and 12?

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If a:b=1:2 and b:c=3:4 find a:b:c?

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If the ratio of men to women at a party is 4:7, which of the following could be the number of people at the party?

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A mixture contains alcohol and water in the ratio 4 : 3. If 5 litters of water is added to the mixture, the ratio becomes 4: 5. Find the quantity of alcohol in the given mixture?

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Rs. 120 are divided among A, B, C such that A’s share is Rs. 20 more than B’s and Rs. 20 less than C’s. What is B’s share?

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In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is?

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In a mixture of 45 litters, the ratio of sugar solution to salt solution is 1:2. What is the amount of sugar solution to be added if the ratio has to be 2:1?

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Salaries of Ravi and Sumit are in the ratio 2:3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40:57. What is Sumit’s salary?

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A bag contains 50 P, 25 P and 10 P coins in the ratio 5: 9: 4, amounting to Rs. 206. Find the number of coins of each type respectively?

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Pencils, Pens and Exercise books in a shop are in the ratio of 10: 2 : 3. If there are 120 pencils, the number of exercise books in the shop is?

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