In a mixture of 85 litres, the ratio of milk to water is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
Quantity of milk in the mixture = 85 × 2/5 = 34 liters Quantity of water in the mixture = 85 × 3/5 = 51 liters Let x liters water be added to the mixture then, 34/(51+ x) = 1/3 102 = 51 + x x = 102 - 51 = 51 litres
The respective ratio of the present ages of A and B is 5:6. The present age of C is 20% more than that of B. The sum of the present ages of A, B and C i...
The ages of A, B and C together are 32 years. B is twice as old as A and C is 4 years older than A. What is the difference between ages of B and C?
At present Meena is eight times her daughter’s age. Eight years from now, the ratio of the ages of Meena and her daughter will be 9 : 2 respective...
Neha was married 5 years ago. In his present age 8/7 times of his age at the time of her marriage. Her son’s age is 1/8 times of her present age, ...
The present age of Raj is 10% less than that of Pranay. Pranay is two years younger than Queen. Ten years ago, the average of the ages of Queen and Raj ...
At the moment, Anuj and Bishnu have ages in the ratio of 3:4, respectively. If Bishnu's current age were 20% higher, the age gap between Anuj and Bishnu...
A man invested a sum of Rs. 25,000. He invested some part at 5% p.a. and remaining at 5.5% p.a.
How much money did he invest at 5% p.a.?
...
If R’s age is twice the average age of P, Q and R. P’s age is one third the average age of P, Q and R. If Q is 10 years old, the average age...
Sum of the present ages of A, B, C and D is 54 years. After 4 years ratio of their ages is 5:4:3:2. What is C’s present age?
At present Ashish age is 5times Garima’s age and 2(1/2) of Aanchal’s age. After 9 years Ashish will be 2 times Garima’s age. What is A...
