Easy way Multiply of 37 with table of 3 #ssc #chsl #cgl #upsc #shorts

A uniform chain of mass M and length L is lying on a frictionless table in such a way that its 1//3 parts is hanging vertically down. The work done in pulling the chain up the table is

There are 4 boys and 3 girls.Arrange the following in ascending order.a.Number of ways to arrange them in a row b.Number of ways to arrange them around a table c. Number of ways to arrange them in a row such that no two girls are together d.Number of ways to arrange them around a table such that all 3girls are together.

The childern are trying to shoot a marble into a marble into a small box using a spring loaded gun that fixed on a table and shoots horizontally from the edge of the table. The centre of the box is a horizontal distance 5m from the edge of the table. The first child compresses the spring a distance 2cm and finds that the marble falls short of its target by a horizontal distance 3m . By what distance x should the second child compress the spring to score a direct hit on the box?

Two numbers are chosen from 1,3,5,7,…147, 149 and 151 multiplied together in all possible ways. The number of ways which will give us the produce a multiple of 5 is

Eight guests have to be seated 4 on each side of a long rectangular table.2 particular guests desire to sit on one side of the table and 3 on the other side.The number of ways in which the sitting arrangements can be made is

10 persons are seated at round table then the number of ways of selecting 3 persons out of them if no two persons are adjacent to each other is

A rectangular billiard table has vertices at P(0,0),Q(0,7),R(10 ,7), and S(10 ,0)dot A small billiard ball starts at M(3,4) , moves in a straight line to the top of the table, bounces to the right side of the table, and then comes to rest at N(7,1) . The y- coordinate of the point where it hits the right side is (a)3.7 (b) 3.8 (c) 3.9 (d) 4

A table has 7 seats, 4 being n one side facing the window and three being on the opposite side. In how many ways can seven people be seated at the table if 3 people X, Y and Z must sit on the side facing the window?

A family of eight people P, Q, R, S, T, U, V W Are sitting around a square table in such a way that each of the female is sitting between two males and vice versa. Four persons are sitting at the middle of each side of the table and facing towards the center of the table. All the mothers present in that family facing their own respective daughters. P is the sister of Q. W is the son in law of S. W is sitting 3rd to the left of S. U is sitting 3rd to the right of R. R is the wife of U. R is the mother of Q. Grandmother of Q is sitting to his first left. Granddaughter of T is sitting to his first right. Only S is sitting between U & Q. Mother of U is sitting to his first right and father is sitting to his 2nd left. Which of the following is not correct according to their position in the table ?

A die is numbered in such a way that its faces show the numbers 1,2,2,3,3,6. It is thrown two xx and the total score in two throws is noted.Complete the following table which gives a few values of the total score on the two throws: What is the probability that the total score is (i) even? (ii) 6? (iii) at least 6?