Chapter 16 – Playing with Numbers
Example 13 : Suppose that the division x ÷ 5 leaves a remainder 4 and the division x ÷ 2 leaves a remainder 1. Find the ones digit of x.
10
Aug
Example 13 : Suppose that the division x ÷ 5 leaves a remainder 4 and the division x ÷ 2 leaves a remainder 1. Find the ones digit of x. Example 13 : Suppose that the division x ÷ 5 leaves a remainder 4 and the division x ÷ 2 leaves a remainder 1. Find [...]
Example 12 : Find the value of A and B if
10
Aug
Example 12 : Find the value of A and B if Example 12 : Find the value of A and B if August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
Example 11 : A three-digit number 42x is divisible by 9. Find the value of x.
10
Aug
Example 11 : A three-digit number 42x is divisible by 9. Find the value of x. Example 11 : A three-digit number 42x is divisible by 9. Find the value of x. August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
Example 10 : If a number is divisible by 2 and 4, then it will be divisible by 8.
10
Aug
Example 10 : If a number is divisible by 2 and 4, then it will be divisible by 8. Example 10 : If a number is divisible by 2 and 4 then it will be divisible by 8. August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
Example 9 : Let ab be a two-digit number, then ab + ba is divisible by 9.
10
Aug
Example 9 : Let ab be a two-digit number, then ab + ba is divisible by 9. Example 9 : Let ab be a two-digit number then ab + ba is divisible by 9. August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
Example 8 : If abc, cab, bca are three digit numbers formed by the digits a, b, and c then the sum of these numbers is always divisible by 37.
10
Aug
Example 8 : If abc, cab, bca are three digit numbers formed by the digits a, b, and c then the sum of these numbers is always divisible by 37. and c then the sum of these numbers is always divisible by 37. B bca are three digit numbers formed by the digits a cab [...]
Example 7 : If AB × B = 9B, then A = _________, B = _________.
10
Aug
Example 7 : If AB × B = 9B, then A = _________, B = _________. B = _________. Example 7 : If AB × B = 9B then A = _________ August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
Example 6 : When written in usual form 100a + 10c + 9 is equal to ________.
10
Aug
Example 6 : When written in usual form 100a + 10c + 9 is equal to ________. Example 6 : When written in usual form 100a + 10c + 9 is equal to ________. August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
Example 5 : The number ab – ba where a and b are digits and a > b is divisible by ________.
10
Aug
Example 5 : The number ab – ba where a and b are digits and a > b is divisible by ________. Example 5 : The number ab – ba where a and b are digits and a > b is divisible by ________. August 10, 2021 Category: Chapter 16 - Playing with Numbers , [...]
Example 4 : If 5 A + 25 is equal to B 2, then the value of A + B is
10
Aug
Example 4 : If 5 A + 25 is equal to B 2, then the value of A + B is Example 4 : If 5 A + 25 is equal to B 2 then the value of A + B is August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , [...]