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Start learning 50% faster. Sign in nowA 15-member group has two individuals aged 18 and 23. When excluded, the average age of the rest increases by 3 years. Find the average age of all members.
The respective ages of a mother and her daughter are 30 and 8 years. In how many years will the mother be thrice as old as her daughter?
A train takes 10 seconds more to cross a 250-metre-long platform than it takes to cross a pole. If a car running at the speed of 40 m/s takes 55 seconds...
Sohan's father was 32 years old when he was born while his mother was 28 years old when his brother, who is two years younger than him, was born. What i...
Average age of 4 daughter of a family is 8 years and average age of daughter together with their parents is 16 years. If mother is 4 years younger than...
A school has 8 teachers and 4 administrators. The average age of the teachers is 40 years, and the average age of the administrators is 55 years. After ...
The present age of Priya’s father is five years more than four times Priya's present age. If Priya's mother is nine years younger than her father and ...
Seven years ago, the sum of the ages of a mother and her daughter was 50 years. The ratio of their present ages is 3: 1. What is the present age of the...
The present ages of 'A' and 'B' are in the ratio of 5:8. Five years from now, A's age will be 25% less than C's age at that time. If the present age of ...
B is 4 years older than A and A is 6 years older than C. If the sum of the age of A and C is 22 years, then find the sum of the ages of all three.
