Question

a man borrows 20000 and agrees to repayy the amount with the total interest of rupees 475 in a few monthly installment .each installment being twice the preceding one . if the first installment be rupees 5 find how many installment he will be able to clear up the dues

Answer 1

Answer: a=5 d=5 Tn=20000

20000=5+ (n-1) 5

20000=5+5n-5

20000=5n

n=20000/5

n=4000

Step-by-step explanation:

Answer 2

$\frac{22}{7} 4.2 \times 4.2 \times 25 = solve \: it$