ratio & proportion test 1
1
If A:B = 3:2 B:C= 4:3 then A:B:C=?
2
Ratio between two numbers is 3:2 and their difference is 225, then the smaller num- ber is:
3
If 2x=3y = 4z, then x : y : z is
4
The mean proportion between 9 and 36 is
5
The fourth proportion to 3,6,15 is
6
Two numbres are in the ratio 7:9. If 12 is subtracted from each of them, the ratio becomes 3:5. The product of the numbers is:
7
What must be added to each term of the ratio 7:13 so that the ratio becomes 2:3?
8
A total amount of Rs. 1800 is to be di- vided among A,B and C in such a way that half of A's part, one third of B's part and one- fourth of C's part is equal. The A's part is
9
A sum of Rs. 53 is divided among A,B,C in such a way that A gets Rs. 7 more than B and B to gets Rs. 8 more than C. Then the ratio of their shares is
10
The ratio of number of boys and girls in a school of 720 students is 7:5. How many more girls should be admitted to make the ratio 1:1?
11
The ratio of the number of boys and girls at a party was 1:2 but when 2 boys and 2 girls left, the ratio became 1:3. then the num- ber of persons initially in the party was
12
A sum of Rs. 3400 has been divided among A,B and C in such a way that A gets 2/3 of what B gets and B gets gets. Then, B's share is 1 /4 of what C
13
Two numbers are in the ratio 3:5, If 8 is subtracted from each, then they are in the ratio 1:3. Then, the second number is
14
The proportion of copper and zinc in brass is 13:7. How much zinc will be there in 100 kg of brass?
15
The ages of Manoj and Amit are in the ratio 2:3. After 12 years, their ages will be in the ratio 11:15. The age of Amit is:
16
Rs. 780 is divided among 2 men, 6 women and 8 boys so that the share of a man, a woman and a boy are in the ratio 3:2:1. Then, how much does a boy get?
17
The ratio between the annual incomes of A and B is 5:4 and between their expenditures is 4:3. If at the end of the year, A and B re- spectively save Rs. 400 and Rs. 500, then the income of A is:
18
A bag contains one rupee, 50 paise and 25 paise coins in the ratio 5:7:9. If the total amount in the bag is Rs. 430, find the number of coins of 25 paise.
19
A mixture contains milk and water in the ratio 3:2. If 4 litres of water is added to the mixture, milk and water in the mixture becomes equal. The quantity of milk in the mixture in litre is.
20
Two equal glasses are milk respectively. The two are completely filled up with water. The contents of the two glasses are then mixed in another vessel. The ratio of milk and water in the vessel is 1 / 2 and full of 2 / 3
21
An amount is to be distributed among A,B and C in the ratio 3:7:5 respectively. If the difference in the shares of A and B is Rs. 7,600/ - what will be the share of C?
22
Two varieties of oil are mixed in the ratio 4:3 to produce first quality and if they are mixed in the ratio 2:3 second quality is ob- tained. How many kg. of the first quality be mixed with 10kg of the second quality so that a third quality having the two verieties in the ratio 5 : 4 may be produced?
23
c) 88 kg d) 98 kg The ratio of the number of gents to la- dies in a party was 2:3. When 20 more gents joined the group, the ratio was reversed. The number of ladies in the party was
24
The HCF of three numbers is 12. If they are in the ratio of 1:2:3, the numbers are
25
If the ratio of the areas of two squares is 1:4, the ratio of their perimeters is
26
Two numbers are such that their differ- ence, their sum and their product are in the ratio of 1:7:24. The product of the numbers is
27
The incomes of A, B and C are in the ra- tio 7:9:12 and their spending are in the ratio 8:9:15. If A saves the savings of A,B and C are in the ratio of 1 /4 th of his income, then the savings of A,B and C are in the ratio of
28
Rs. 180 contained in a box is made up of one rupee, 50 paise, and 25 paise coins in the proportion of 2:3:4. What is the number of 50 paise coins?
29
81 is divided into three parts, such that half of the first part, one-third of the second part and one-fourth of the third part are equal. The third part is more than the first by
30
The ratio of the father's age to son's age is 4:1. The product of their ages is 196. The ratio of their ages after 5 years will be:
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