Question

In what time will Rs.1200 amount to Rs.1344 at 6% per annum?

Answer 1

Answer:

2 years

Step-by-step explanation:

P = 1200

R = 6%

A = 1344

SI = 1344 - 1200

= 144

now

T = (SI x 100) / PR

= (144 x 100) / ( 1200 x 6)

= 12/6

= 2 years

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Answer 2

$\huge{\sf{\underline{\orange{Given:-}}}}$

Principle (p) = Rs 1200

Amount (A) = 1344

Rate (r) = 6%

$\huge{\sf{\underline{\orange{To \:Find:-}}}}$

At what time will Rs 1200 amount to Rs 1344 at rate of 6% per annum

$\huge{\sf{\underline{\orange{Answer:-}}}}$

Let the time be t

First Find the Simple Interest (S.I) :-

$\huge{\sf{\orange{S.I = A - P}}}$

$=>\huge\sf{ Rs (1344 - 1200)}$

$=> \huge\sf{Rs 144}$

$\huge{\sf{\underline{\orange{Now,}}}}$

Find the time :-

We know the formula =>

$\huge{\sf{\orange{S.I = \dfrac{p×r×t}{100}}}}$

$\huge{\sf{\underline{\orange{ATQ}}}}$

$=> \huge\sf{144 = \dfrac{(1200 × 6 × t)}{100}}$

$=>\huge\sf{ 144 × 100 = 7200t}$

$=>\huge\sf{ 7200t = 14400}$

$=>\huge\sf{ t = \dfrac{14400}{7200} = 2}$

Hence,

The time is 2 years