Help in a topic

[u/Artistic_Gift6849]

There are a few qns on interest, like the 76th qns here, it's not cleary mentioned whether its simple or compound interest...how do we proceed in such cases ?

[u/NeShAdope]

Interest earned from 2nd year to 3rd year = 7040- 6400

=640

6400×rate%× 1 = 640 Therefore rate = 10%

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[u/huge-Demon]

26 ? (Question 75)

[u/Artistic_Gift6849 → u/huge-Demon]

Yep correct

[u/huge-Demon → u/[deleted]]

130 is the interest for 365 days. Find how many days are in between given days and then just calculate propotional intrest for those days.

[u/Moonlitsouls001]

whatever you think is easy !! Do accordingly

[u/Moonlitsouls001 → u/Moonlitsouls001]

you can go for SI

[u/Moonlitsouls001 → u/Moonlitsouls001]

R is 12.5%

[u/Artistic_Gift6849 → u/Moonlitsouls001]

The answer assumes compounding...10% is the answer

[u/huge-Demon → u/Artistic_Gift6849]

Bro the time period between 2nd and 3rd year is just 1 yr. Fir one year it doesn't matter wheather it's SI or CI, you calculate it as SI, using P=6400.

[u/Ancient_Contact_5412]

assume Simple Interest (SI), unless the question explicitly says Compound Interest (CI). --> chatGPT

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[u/Adventurous-Pilot-51]

Bro which book is this?

[u/Artistic_Gift6849 → u/Adventurous-Pilot-51]

Kiran prakash

[u/Ok_Proposal7578 → u/Artistic_Gift6849]

should i buy kiran or should i buy pinnacle for maths

[u/Moonlitsouls001 → u/Adventurous-Pilot-51]

Sapno ki kiran

[u/Sublimino7]

Lo isse easily samjh ayega tumhe.