Question
The average age of a group of 15 persons is found
to be 30 years. Later it is found that age of two of the persons is calculated as 35 and 52 instead of 60 and 12. Find the correct average age of the group.Solution
Required average = {(15 × 30) – 35 – 52 + 60 + 12}/15 = 29 years
Raju invests Rs. (p + 200) at a simple interest rate of 25% per annum for a period of 6 years and earns a total interest of Rs. (...
What approximate value should come in the place of question mark in the following questions?
1 ÷ 6.43 of 191.90 + 75.03% of 220 = ?² - 202.9
Find the approximate value of Question mark(?) for given equation.Â
(71.92% of 149.99) ÷ 12.04 + 107.98 = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
1784.04 - 483.98 + 464.98 ÷ 15.06 = ?3
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
What approximate value will replace the question mark (?) in the following?
34.99...
6106.11 ÷ √? × 55.9 = 3976.21 Â
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
