Question
A battery is used to
:Solution
Batteries and similar devices accept, store, and release electricity on demand.
Present ages of ‘A’, ‘B’ and ‘C’ are in the ratio 8:9:12, respectively. If present average age of ‘A’ and ‘C’ is 20 years, then find...
Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 40 years. If their ages are in the arithmetic progression in the same order a...
‘A’ is 5 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 35 years and 20 years, respectively...
After 4 years, the combined age of P and R will be 80 years. If their current age ratio is 7:5, find the age difference.
The present ages of 'Neha' and 'Priya' are in the ratio 3:4. Two years later, Neha’s age will be 30% less than Priya’s age. What is Neha’s current...
The ratio of the present age of A to that of B is 7:9. Six years ago the ratio of 1/3 of A’s age at that time and 1/3 of B’s age at that time was 1:...
The ratio of the present ages of father and his son is 9:5. The product of their ages 3 years ago was 33 times of his son’s age that year. What wa...
Ratio of present age of 'A' to that of 'B' is 5:8. If the age of 'A' two years hence from now will be 22 years, then after how many years, the ratio of...
The ratio of the age of X after 4 years to the age of Y after 6 years is 3:2. The sum of the ages of Y and Z after 10 years is 72 years. The age of Z be...
The average age of 6 students is 42 years. A new student joins the group and the new average becomes 45 years. Find the age of the new student.
Relevant for Exams:
