Question

class 6 rd Sharma chapter 4 exercise 4.5.
Please solve (i),(ii),(iii) and explain also.​

Answer 1

Answer:

(1). 10×11÷2

(2).100×101÷2

(3).20×22÷2

Step-by-step explanation:

1+2+3+4+5= 5×6÷2

15 =15

to find any pattern in this way

multiply the last number with the next coming number like 5×6

and the divide by 2