Question

Divya saves some amount of money every month. in the first month she saves rupees 50,2nd month rupees 55,third month rupees 60 and so on..

i,the common difference is

ii,in which month will she save rupees 500

iii,formula for 5n terms of 1st and last term is

iv,her total savings in 91 months is ​

Answer 1

Answer:

(i) Common difference is RS 5.0 (i.e 55-50, 60- 55, etc)

(ii) 15th month (approx 525)

(iii) tn = a+(n-1)d

(iv) RS. 25,025 in 91 months