Three pipes, A, B, C can fill an empty cistern in 2, 3 and 6 hours respectively. They are opened together. After what time should B be closed, so that the cistern gets filled in exactly 1hr 15 min?
The correct answer is A
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...
In a family a couple has a son and a daughter. The age of the father is four times that of his son and age of her daughter is half of her mother. The wi...
At present, Rahul and Rajat have ages in a 7:5 ratio. Anirudh age is 3 years less than Rahul and Sneha age is 5 years more than Rajat If the average cur...
The ratio of age of ‘B’ after 5 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
Present ages of P and Q are in the ratio 5:7 respectively. If Q’s age, 11 years hence from now will be 5 times of P’s age, 5 years ago from now, the...
5 years ago, Bhuvan's age was (1/2) of Amisha's present age. If Bhuvan's current age is 20% less than Amisha's age, determine Amisha's present age.
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...
The current age ratio of Akash to karan is 7:9, and the current age ratio of karan to Chetna is 3:5. If the average of their present ages is 62 years, d...
A is younger than B by 4 years. If the ratio of A and B ages is 5:7 respectively, then find the age of A.
At the time of their marriage, the ratio between the ages of Reena and Rahul was 9:10 respectively. After ‘y’ years of their marriage, a daughter wi...
