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
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
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
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
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
In a mixture of 35 liters, the ratio of milk and water is 4 : 1. Another 7 liters of water is added to mixture. Then the ratio of milk and water in the resulting mixture is
2 : 1
3 : 1
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
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
What is the ratio of black stars to red stars ?
7 : 2
2 : 7
Find three numbers in the ratio of 2 : 3 : 5 such that the sum of their squares is 608.
18, 2, 20
2, 4, 76
8, 12, 20
4, 2, 72
