The average age of A and B is 15 years. If A is to be replaced by C, the average would be 14 years. The average age of C and A is 16 years. Find the age...
- In a classroom, the ratio of the number of boys, girls, and teachers is 5:4:1, respectively, and the average number of people in each category is 50. What ...
- There are 45 players in a sports camp with an average age of 26 years. 5 more players join, decreasing the average to 25. Find the average age of the new p...
- The average age of (x + 1) students of a class is 20 years. If the 50 years old class teacher is also included then average age of the class gets increased...
There are three numbers 'd', 'e' and 'f' such that average of 'd' and 'e' is 10, average of 'e' and 'f' is 22 and average of 'd' and 'f' is 28. Find the...
- Rs. 5600 is divided among 'X', 'Y', 'Z', and 'W' in the ratio 4:6:3:7. Then, 'Y' gives 60% of the average of 'X' and 'W’s' amount to 'Z'. Find the averag...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 86.6 and 13th, 14th a...
The average height of Nakul, Baneet, Preetam and Yash is 20 cm, while the average height of Nakul, Preetam and Yash is 16 cm. If height of Manish is 25%...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 50 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average salary of 36 employees ( Teachers+principals) in a School is Rs.10,375. A Principal in the School receives a salary that is 125% higher than...
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