Assumed
PW as 100
FW as twice PW as 200
answer is 7.27254 years
manually take the log of both sides and solve for n
The answer is 9.27 x 10^5
He has to be 5 since 5×3=15 and each year he turns one year older so yea
Answer:
समांतर श्रेणी का प्रथम पद a = 2
Step-by-step explanation:
माना समांतर श्रेणी का प्रथम पद a और सामन्य अन्तर d है.
इसलिए..

समीकरण (1) और (2) से:
समांतर श्रेणी का प्रथम पद a = 2
a = d = 2... (समीकरण 2 से)