कुनै रकम प्रत्येक 6 महिनामा त्यसको 1/20 का दरले व्याज बढ्दै जान्छ भने कति समयपछि Rs. 400 को मिशधन Rs. 600 हुन्छ?

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.

It is e) i am not sure if you have any questions or need any

Ithink you’re answering is b