Question

23. Simplify the following by using properties:
(i) 617 x 27 +617 x 73
(1) 125 x 103 (iii) 267 x 99 +267
24. Determine the product of largest 3-digit number and the smallest 3- digit number.
25. The product of two numbers is 14976. If one number is 117, find the other.
26. Write 60405321 in words according to the Indian and International system of Numeration,
27. Study the following pattern:
I= 12
1+3-27
1+3+53
1+3+54742
Hence find the sum of (a) First 12 odd numbers. (b) First 50 odd numbers,​

Answer 1

Ans 23 (i)

Using distributive property:

a×b+a×c=a×(b+c)

617×27+617×73= 617×(27+73)

=617×100

=61700=>Ans