Question

13) If a person moves along the sides of equilateral triangular path of side 30 m starting from its vertex at a speed 3 m/sec. What will be his displacement after

(i) 15 sec (ii) 20 sec​

Answer 1

Answer:

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Answer 2

Answer:

principal => ₹15000

time. => 1 year

rate of interest => 8% p.a.

simple interest => p × r × t / 100

=> 15000 × 1 × 8 / 100

=> 1200

\tt\pink{interest\: for \: first \: year}interestforfirstyear

=> ₹1200

so , amount => p + s.i.

=> ₹15000 + ₹1200

₹16200

\huge\mathfrak\red{second \: year}secondyear

in second year, the amount in the first year become the principal here ,

so we have, => principal => ₹ 16200

time => 1 year

rate of interest => 8% p.a.

simple interest => 16200 × 1 × 8 / 100

=> ₹ 1296

so compound interest for two years => ₹1200 + ₹1296 =

₹2496