- The average age of 15 students in a classroom is 20 years. When two new students, Raj and Simran, join the class, their ages being in the ratio of 7:8, the...
The average number of coins distributed among five friends is 15. If each friend received 1 coin more than the friend before, then find the highest numb...
In a team, there are 15 men and 25 women. The average weight of each man is 70 kg while that of each woman is 60 kg. What is the average weight of a per...
The ratio of apples to oranges in a basket is 2:1. The average weight of oranges is (w β 3) grams and the average weight of all fruits is (w + 3) gram...
Average weight of 36 students is 68 kg. When two new students with weights (m + 12) kg and (m - 6) kg join, the average weight becomes 69 kg. Find the v...
The average marks scored by 45 boys and 55 girls are 78 and 84 respectively. Find the average marks scored by all the students together. (Answer should ...
The average weight of a class of 25 student is 60 KG. If X is student joined the class,Β than the average weight of whole class increases by (2X β 7)...
Average run scored by a batsman in 14 innings is 80. In next 6 innings, he scored runs with an average of βxβ so that his overall average increases ...
Sum of ages of 90 players is 2250 years. The average age of 30 of them is 20 years and average age of another 30 of them is 15 years. Find the average a...
The average cost price of 12 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.80. ...