Question

the difference between the compound interest and simple interest on a certain sum of money in 2years at 4% p.a. is Rs50 find the sum

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Answer 1

The difference between the simple interset and compound interest on a certain sum of money 'P' for 2 years at r% per annum is given by :

⇒(CI−SI)

2year

=

100

2

Pr

2

Using the above formula for a sum of money 'P' invested for two years at 4% p.a., given that the difference between CI&SI is Rs.20

∴20=

100

2

P(4)

2

⇒20=

100×100

P(4×4)

⇒5×25×100=P

⇒P=Rs.12500

Hence, the answer is Rs.12500.

sorry its incorrect cuz i use 20 rs

Answer 2

Answer:

The process by which green plants use sunlight to synthesize nutrients and food from carbon dioxide and water is called photosynthesis.