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
The simplest form of 25 : 40 is
8 : 5
6 : 5
5 : 8
5 : 6
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
Vijay began a business with Rs. 2100 and is joined afterwards by Asif Ali with Rs. 3600. After how many months did B join, if the profits at the end of the year are divided equally ?
3 Months
4 Months
5 Months
6 Months
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
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
What is the ratio of black stars to red stars ?
7 : 2
2 : 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
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
