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
Ashok invests Rs. 3000 for a year and Sunil joins him with Rs. 2000 after 4 months. After the year they receive a return of Rs. 2600. Sunil’s share is
Rs. 800
Rs.1000
Rs. 750
Rs. 900
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
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
A, B and C contract a work for Rs. 550. Together A and B are to do 7/11 of the work. The share of C should be :
Rs. 400
Rs.300
Rs.200
Rs. 183 1/3
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 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
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
729 ml of a mixture contains milk and water in the ratio 7 : 2. How much more water is to be added to get a new mixture containing milk and water in the ratio 7 : 3 ?
600 ml
710 ml
520 ml
None of these
