Question
Roger Federer play 3 sets of a tennis match. The
probability of his winning the three sets are 1/9,1/4,3/4 respectively. What is the probability that he will win at least 1 set of the game?Solution
Probability of Not winning all the three sets = (1 - 1/9) × (1 - 1/4) × (1 - 3/4) = 8/9  ×  3/4  ×  1/4 = 1/6 Probability of winning at least one set is 1 - 1/6 = 5/6
564.932 + 849.029 – 425.08 = 612.095 + ?
999.99 + 99.99 + 99= ?
A sum of ₹60,000 is invested at a compound interest rate of 'x%' per annum, compounded annually, and grows to ₹75,264 in 2 ye...
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.)...
³√? × 33.97 + 59.99 × 28.9 – 48.98 × 21.42 = 1085.344
1279.98 ÷ 40.48 × 10.12 = ? × 2.16
(124.901) × (11.93) + 219.95 = ? + 114.891 × 13.90
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.)...
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