Number Systems class 9 Ex 1.3 Q1(5,6)

Mr. A randomly picks 3 distinct numbers from the set {1, 2, 3, 4, 5, 6, 7, 8, 9} and arranges them in descending order to form a three digit number. Mr. B randomly picks 3 distinct numbers from the set {1, 2, 3, 4, 5, 6, 7, 8} and also arranges them in descending order to form a 3 digit number. Q. The probability that A and B has the same 3 digit number is :

Class 10 Exercise 10.2 Question 1 | CBSE Class 10 Ex -10.2 Q1 | NCERT | Class 10 Maths Chapter 10

Sets , Nios, Class-12, Ch-1 ,Ex-1.1 ,Q-1

Consider the nine digit number n = 7 3 alpha 4 9 6 1 beta 0. If q is the number of all possible values of beta for which the given number is divisible by 8, then q is equal to

The students in a class can be divided into groups of 2, 3, 5 and 6. What is the least number of children this class can have.

How many 3 s are immediately preceded by 9 but not immediately followed by 5 in the following number series? 9 3 4 5 9 3 6 4 3 9 3 3 5 3 9 5 3 9 3 7 5 7 5 9 3 9 5

Five numbers are selected from 1, 2, 3, 4, 5, 6, 7, 8 and 9. The probability that their product is divisible by 5 or 7 is

Class 12 maths ncert solution chapter vector algebra Ex-10.2 Qno.1

If A=[{:(9, 7, 3), (5, -1, 4), (6, 8, 2):}]" find "A^(-1) and hence solve the system of equations: 9x+7y+3z=6, 5x-y+4z=1, 6x+8y+2z=4 .