class 7 maths

CLASS 7 MATHS  DIVISIBILITY TEST: Test of Divisibility by 2 : A number is divisible by 2, if its units digit is any of the digits 0, 2, 4, 6 and 8. Example:   Each of the numbers 24, 36, 78, 192, 310, 214166 is divisible by 2. Test of Divisibility by 3 : A number is divisible by 3, if the sum of its digits is divisible   by 3. Example:         (i)    Consider the number 349524.                                 Sum of its digits = (3 + 4 + 9 + 5 + 2 + 4) = 27, which is divisible by 3.                              349524 is divisible by 3.  ...