The average monthly expenditure of a family was ` 2750 for the first 3 months, ` 3150 for the next
three months and ` 6750 for the next three months. Find the average income of the family for the 9
months, if they save ` 650 per month.
The average monthly expenditure of a family was ` 2750 for the first 3 months, ` 3150 for the next
three months and ` 6750 for the next three months. Find the average income of the family for the 9
months, if they save ` 650 per month.
A person travels three equal distances at a speed of x km/h, y km/h and z km/h respectively. What
will be the average speed during the whole journey?
A person travels three equal distances at a speed of x km/h, y km/h and z km/h respectively. What
will be the average speed during the whole journey?
In a bag, there are 150 coins of Re. 1, 50 p and 25 p denominations. If the total value of coins is `
150, then find how many rupees can be constituted by 50 p coins.
In a bag, there are 150 coins of Re. 1, 50 p and 25 p denominations. If the total value of coins is `
150, then find how many rupees can be constituted by 50 p coins.
A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass
percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the
entire school.
A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass
percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the
entire school.
The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average
now becomes 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A then
the average weight of B, C, D and E becomes 78 kg. The weight of A is
The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average
now becomes 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A then
the average weight of B, C, D and E becomes 78 kg. The weight of A is