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
A father’s age was 5 times his son’s age 5 years ago and will be 3 times the son’s age after 2 years. The ratio of their present ages is
5 : 2
5 : 3
10 : 3
11 : 5
An alloy consists of Iron and Zinc in the ratio 2 : 3. How much Zinc is there in 25 kg of the alloy ?
12 kg
13 kg
14.5 kg
15 kg
The simplest form of 25 : 40 is
8 : 5
6 : 5
5 : 8
5 : 6
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
A and B together have Rs. 1210. If 4/15 of A’s amount is equal to 2/5 of B’s amount, How much amount does B have ?
Rs. 460
Rs.484
Rs. 550
Rs. 664
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
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
If 40% of a number is equal to two – third of another number, what is the ratio of first number to the second number ?
2 : 5
3 : 7
7 : 3
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
