SIVA and Shyam are playing chess together. SIVA known the two rows in which he has to put all the pieces in but he doesn’t know how to place them. What is the probability that he puts all the pieces in the right place?Options8!/16!8!/15!(2𝑥8!)/16!8!/(2𝑥15!)

Select the correct answerRAMU can hit a target 3 times in 6 shots, SIVA can hit the target 2 times in 6 shots and SHYAM can hit 4 times in 4 shots. What is the probability that at least 2 shots hit the targetOptions1/32/35/25/6

Seven pawns occupied seven random squares of a chessboard. Estimate the probability that the rook starting from a side of a chessboard could not reach the opposite side of the board. If a pawn occupies a square, the rook can't step into the square.

Select the correct answerIn a row of children, Ravi is 24 from right and Sham is 17 from left. When they interchange positions Ravi is 38 from right. What will be Shyam‘s present position from the left end?Options3133None3234

You and your friend are two of eight servers working a shift in a restaurant. At the beginning of the shift, the manager randomly assigns one section to each server. Find the probability that you are assigned Section 1 and your friend is assigned Section 2. Express you answer as a fraction in simplest form.The probability is .

Select the correct answerRANI gave her project assignment to a shopkeeper for binding. There were 19 pages including a cover page, 12 pages of theory and 6 pages of drawings. She told the shopkeeper that the theory pages are in a particular order and the drawing pages can be arranged anywhere provided they are together. If the cover page is always kept first what is the probability that rest of the pages are arranged as per requirement?Options13×40/17!13!×6!/18!12𝐶1×6!/18!13𝐶1×6!/19!