Write the following numbers in generalized form.

(i) 25 (ii) 73 (iii) 129 (iv) 302

Write the following in the usual form.

(i) 10 x 5 + 6             (ii)  100 x 7 + 10 x 1 + 8        (iii) 100 x a + 10 x c + b

Check what the result would have been if sundaram had chosen the numbers shown below. 1. 27 2. 39 3. 64 4. 17

Check what result would have been if Sundaram had chosen the numbers shown. 1.17 2.21 3.96 4.37.

Check what the result would have been if Minakshi had chosen the numbers shown below. In each case keep a record of the quotient obtained at the end.

Check what the result would have been if Sudaram had chosen the numbers shown below. 1. 417 2. 632 3. 117 4. 937

Find the values of the letters in each of the following and give reasons for the steps involved.

    3 A
 + 2 5
  _____
    B 2
   ____

Check the divisibility by 21436587 by 9.

9.

Check the divisibility of 152875 by 9.

If the three digit number 24x is divisible by 9, what is the value of x?