Question

guys please answer this question​

Answer 1

Given : Principal (P) = 3,600, Rate (R) = $2\dfrac{2}{5}= \dfrac{12}{5}$ % and Time (T) = 4 years and 6 months

Need To Find : Simple Interest ( S.I ) .

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⠀⠀❒⠀⠀⠀First Calculate the exact time in yrs .

As, We know that ,

• There are 12 months in 1 yrs .

Then ,

• Time = 3 years and 6 months .

• Time = $\dfrac{3 \times 12 + 6 }{12} \:yrs$

• Time = $\dfrac{36 + 6 }{12} \:yrs$

• Time = $\dfrac{\cancel {42} }{\cancel {12}} \:yrs$

• Time = $\dfrac{7 }{2} \:yrs$

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❍ The Formula for Simple interest ( S.I ) is given by :

$\underline {\frak{ \dag As,\: We\:know\:that\::}}$

$\qquad \qquad \underline {\boxed { \sf{ Simple \:Interest \:= \dfrac{P \times R \times T }{100} }}}$

⠀⠀⠀⠀⠀Here P is the Principal in Rs. , R is the Rato of Interest in % and T is the time in yrs .

⠀⠀⠀⠀⠀⠀$\underline {\bf{\star\:Now \: By \: Substituting \: the \: Given \: Values \::}}$

$\qquad \qquad \qquad:\implies \sf {Simple \:Interest \:: \dfrac{3,600 \times 12 \times 7 }{100\times 5 \times 2} }$

$\qquad \qquad \qquad:\implies \sf {Simple \:Interest \:: \dfrac{36\cancel {00} \times 12 \times 7 }{\cancel {100}\times 5 \times 2 } }$

$\qquad \qquad \qquad:\implies \sf {Simple \:Interest \::\dfrac{\cancel {36} \times 12 \times 7}{5 \times \cancel {2}} }$

$\qquad \qquad \qquad:\implies \sf {Simple \:Interest \::\dfrac{18 \times 12 \times 7}{5 } }$

$\qquad \qquad \qquad:\implies \sf {Simple \:Interest \::\dfrac{216 \times 7}{5 } }$

$\qquad \qquad \qquad:\implies \sf {Simple \:Interest \::\dfrac{1512}{5 } }$

⠀⠀⠀⠀⠀$\underline {\boxed{\pink{ \mathrm {  Simple \:Interest \:= Rs.\: 302.4}}}}\:\bf{\bigstar}$

Therefore,

⠀⠀⠀⠀⠀$\therefore {\underline{ \mathrm { Simple \:Interest \:(S.I) \:on\:given\:values \:is\:\bf{Rs\: 302.4}}}}$

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Answer 2

Answer:

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