Question
World Science Day for Peace and Development is observed
every year on?Solution
The important role of science in society and the need to engage the wider public in debates on emerging scientific issues and also tells about the relevance of science in our daily lives.
In an office, there are 18 employees. The average age of all the employees is 28 years. If the age of three senior managers is included, then the averag...
Four years ago, the ages of the father and his son were in the ratio 7:2. Four years hence, the ages of the father and his son will be in the ratio 9:4....
The ratio of the present ages of Ginni and Binni is 8:3 respectively. Ginni is ‘n’ years older than Binni. If after 4 years, the ratio of the ages o...
P got married 8 years ago. His present age is 5/3 times his age at the time of his marriage. P’s sister was 10 years younger to him at the time of...
A’s age is the fourth part of his father’s age. After 8 years, the age of A’s father will be twice the age of B. If B’s 7th birthday is celebrat...
A is 8 years older than B who is four times as old as C. The total sum of the ages of A, B and C is 35. How old is B?
Present age of 'P' is two times more than the age of his daughter. If five years ago, their ages were in ratio 5:1, respectively, then find the present...
- After 6 years, the sum of the ages of 'Karan' and 'Amit' will be 70 years. Fifteen years ago, Karan was 12 years younger than Amit. What will be Amit’s a...
The sum of present ages of Ria and Anju is 42 years. Today Anju is 3 years older than Shweta. The respective ratio of the present ages of Ria and Shweta...
Twelve years ago, the average age of a family having four members (father, mother, son and daughter) is (y-2) years. The ratio between the present ages ...
