Math, asked by LEARNINGSCIENCE, 10 months ago

Hi..... Please solve 4.(a) and 4.(c)

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Answered by sawanmahna

Answer:

Step-by-step explanation:

4a.

Given,

Rate percent = 5%

Time = 1 Year

SI = ₹180

Principle = ? (To be calculated)

Then,

we know that

SI = (P*R*T)/100

Let,

Principle be P.

180 = (P*5*1)/100

180 = (5*P)/100

180*100 = 5*P

P = (180*100)/5

P = 18000/5

P = 3600

Hence, ₹3600 should be deposit in bank to get ₹180 every year.

And now i am not able to solve 4c. Sorry!

sawanmahna: Got this or not ?

LEARNINGSCIENCE: No mam.

LEARNINGSCIENCE: :(

LEARNINGSCIENCE: Rate is 5% - ✔

LEARNINGSCIENCE: Every year = per year = 1 year calculation. So time period = 1 year ✔

LEARNINGSCIENCE: Principal = unknown = Rs. p (say)

LEARNINGSCIENCE: Then s.i. = prt/100 = 5p/100 = p/20

LEARNINGSCIENCE: Can u say me why thats not amount?

sawanmahna: yes, if you come to conclusion that SI = p/20. then from there you can also find sum or principle. [ that is SI = p/20 or 180 = p/20 or p = 3600.] where SI = 180 that is written in your question ( 2nd line of 4a).

sawanmahna: And one thing more I am not mam(female). I am a male. So, notice this for next time.

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Hi..... Please solve 4.(a) and 4.(c)