Question
In a tennis tournament, each player played one game with
all the other players. How many players participated in the tournament if they played 300 games in all?Solution
According to the question, n C2 = 300, where n is the number of players (n(n - 1))/2 = 300 n2 - n - 600 = 0 n2 -25n + 24n - 600 = 0 n(n - 25) + 24(n - 25) = 0 (n - 25)(n + 24) n = 25
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.)