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 :
27
33
49
55
A’s capital is equal to thrice B’s capital and B’s capital is 4 times C’s capital. The ratio of the capitals is :
1 : 3 : 12
12 : 4: 1
3 : 1 : 4
1 : 3 : 4
Divide 45 sweets between Panchu and Paru in the ratio 2 : 3. Then how many sweets will each of them get ?
18, 27
16, 27
14, 31
15, 30
Gold is 19 times as heavy as water and copper 9 times as heavy as water. The ratio in which these two metals be mixed so that the mixture is 15 times as heavy as water, is
1 : 2
2 : 3
3 : 2
19 : 135
The ratio of milk and water in 85 kg. of adulterated milk is 27 : 7. The amount of water which must be added to make the ratio 3 : 1 is :
5 kg
6.5 kg
7.25 kg
8 kg
A man earns Rs.22000 per month and spends Rs.18000. Then the ratio of his expenditure to income is
11 : 9
9 : 11
7 : 11
11 : 7
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 ?
Rs. 17,000
Rs. 20,000
Rs. 25,000
Rs. 38,000
One piece of pipe 21 meters long is to be cut into two pieces with the lengths of the pieces being in a 2 : 5 ratio. What are the length of the pieces ?
6, 15
4, 17
5, 16
3, 18
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 ?
90
120
220
240
What is the ratio of black stars to red stars ?
5 : 2
2 : 5
7 : 2
2 : 7
