Question
What was the ranking of India in the International
Astronomy & Astrophysics Olympiad?Solution
At the 15th International Olympiad on Astronomy and Astrophysics (IOAA) India ranked third along with the Singapore received three gold and two silver medals.
3 years ago, the average age of a family of 5 members was 17 years. A baby being born, the average age of the family is 17 years. The present age of the...
The average age of A and B is 17 years. If A is to be replaced by C, the average would be 16 years. The average age of C and A is 18 years. Find the age...
- The average height of 30 boys is 165 cm and the average height of another group of 25 boys is 172 cm. What is the average height (in cm) of all the boys to...
A player’s average score in first 10 games was a certain number. In the next 10 games, his average score was 90, due to which his overall average incr...
In a factory of 40 labours, if the two labours left the job whose wages were Rs. 950 and Rs. 1050 and two new labours join the factory which results in ...
Average run scored by a batsman in first ‘x’ matches is 42. In next 13 matches he scored runs with an average of 62 so that his overall average incr...
The average age of 18 children and their teacher's age are 15 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
- KL Rahul has an average score of 75 runs in 130 innings. The highest runs scored by him in an innings exceed his lowest score by 170 runs. If the runs scor...
- In a city, the average rainfall for the first five days of a week was 98 cm, while the average rainfall for the last five days was 105 cm. If the average r...
Average of five consecutive numbers is 48. Find the sum of smallest and largest number.
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