Ratio – Aptitude MCQ Questions – 15

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Question 1
If x : y = 3 : 4, then the value of (4x - y) : (2x + 3y) is = ?



Question 2
The weights of two persons A and B are in the ratio of 3 : 5. A's weight increases by 20% and the total weight of A and B together becomes 80kg, with an increase of 25%. By what percent did the weight of B increase ?



Question 3
If a : b = 2 : 3 and b : c = 4 : 5, then (a + b) : (b + c) is equal to-



Question 4
The ratio of weekly income of A and B is 9 : 7 and the the ratio of their expenditure is 4 : 3. If each saves Rs. 200 per week, then the sum of their weekly income is = ?



Question 5
Mrs. Richi Rich inherits 3224 gold coins and divides them amongst her 3 daughters Lalita, Palita and Salita in a certain ratio. Out of the total coins each of them received, Lalita sells her 50 coins, Palita donates 85 of her coins and Salita makes jewellery out of her 39 coins. Now the ratio of gold coins with them is 24 : 21 : 16 respectively. How many coins did Lalita receive from her mother ?



Question 6
The fourth proportional to 0.12, 0.21 and 8 is-



Question 7
In a mixture of 25 litres the ratio of acid to water is 4 : 1. Another 3 litres of water of water is added to the mixture. The ratio of acid to water in the new mixture is = ?



Question 8
Three numbers are in the ratio 5 : 7 : 12. If the sum of the first and the third is greater than the second by 50. The sum of the three numbers is = ?



Question 9
Three numbers are in the ratio 3 : 4 : 5. The sum of the largest and the smallest equals to the sum of the second number and 52. The smallest number is = ?



Question 10
The fourth proportion to 5, 8, 15 is-



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