Question
5 persons P, Q, R, S, and T are sitting around a round
table. How many times can they sit in different ways so that Q and T do not sit together? type-sscSolution
P, Q, R, S and T Total letters = 5 Now this is the way to sit around the round table = (5-1)! =4! =4×3×2=24 Now to put together a Q and T=3! ×2! =12 Not put together Q and T=24-12=12
More Permutation and combination Questions
20% of 1500 – 75% of 200 = 125% of ?Â
24% of 150% of 500 + 140 = ? × 8Â
458.32 - 563.32 + 659.32 =?
What will come in the place of question mark (?) in the given expression?
(√1089 + 84 ÷ 2) % of 348 = 416 - ?
40% are the passing marks. A student gets 250 marks yet fails by 38 marks. What is the maximum marks?
(22.5 × 24) ÷ 40 + 51.50 = ? ÷ 5.25
36×?² + (25% of 208 +13) = 60% of 2400 + 17×18
What will come in the place of question mark (?) in the given expression?
√64 X 9 ÷ 3 + 12 X 3 = ? + 36(3/7) x 868 + 25% of 240 = (? + 65)
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