Question

what sum of money amounts to ₹2240 at 4%p.a. become ₹1820
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Answer 1

Answer:

A sum of money amounts to RS. 2240 at 4% per annum simple interest in 3 yr. The interest on the same sum for 6 months at 3.5% per annum is

A) RS.30

B) RS.50

C) RS.35

D) RS.150

Correct Answer:

C) RS.35

Description for Correct answer:

If the sum be RS. P, then,

2240-P=P×4×3100

=> 2240=12P100+P

=> 2240=112100P

P=2240×100112=RS.2000

Now, required interest,

SI=PRT100=2000×72×12×1100=Rs.35

Step-by-step explanation:

A sum of money amounts to RS. 2240 at 4% per annum simple interest in 3 yr. The interest on the same sum for 6 months at 3.5% per annum is

A) RS.30

B) RS.50

C) RS.35

D) RS.150

Correct Answer:

C) RS.35

Description for Correct answer:

If the sum be RS. P, then,

2240-P=P×4×3100

=> 2240=12P100+P

=> 2240=112100P

P=2240×100112=RS.2000

Now, required interest,

SI=PRT100=2000×72×12×1100=Rs.35