If 27 (x+y)³ − 8(x−y)³ = (x + 5y) (Ax² + By² + Cxy), then what is the value of (A+B-C)?
27 (x + y)3 – 8 (x – y)3 = (x + 5y (Ax2 + By2 + cxy) Value of (A + B – C) = ? So, put x = 1, y = -1 = 27[1 – 1]3 – 8[1 – (- 1)]3 = [1 + 5 × - 1][A + B – C] + 64 = + 4[ A + B - C = A + B – C = 16
If a coin is tossed 10 times then what is the probability of getting three heads?
One summer peter visits 4 villages (A, B, C and D) in a random order. Find the probability that he visits (i) A before B (ii) A before B and B before C ...
A bag contains 10 white and some black balls. If the probability of drawing a black ball from the bag is 2 times that of drawing a white ball, find the ...
A bag contains 5 green gems and 7 orange gems. If 2 balls are drawn random, then what is the probability that at least 1 gem is orange.
Three cards are drawn one after another with replacements from a pack of cards. What is the probability of getting the first card a Jack, the second car...
A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...A basket contains 3 yellow, 5 purple and 3 red flowers. If 3 flowers are drawn at random, what is the probability that at least two are of same colour?
34 pens are there in a box where 10 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
A bag contains 5 red books, 7 yellowbooks and 7 greenbooks . 3books are drawn randomly. What is the probability that the
30 pens are there in a box where 9 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue...
