Question
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 be rounded off to the nearest integer)Solution
ATQ, Required average = (45 X 78 + 55 X 84) ÷ (45 + 55) = (3,510 + 4,620) ÷ 100 = (8,130 / 100) ≈ 81
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.)