Question

Bananas are bought at the rate of 4 for rupees 3 at what rate must that be sold to gain 20%

Answer 1

$\LARGE\underline{\underline{\sf Given:}}$

• Cost price of Bananas = Rs.3

• Gain = 20%

$\LARGE\underline{\underline{\sf To\:Find:}}$

• What rate must that be sold to gain 20% = ?

$\LARGE\underline{\underline{\sf Solution:}}$

Cost price of Bananas = Rs.3

Cost price of one Banana :-

$\large\implies{\sf \dfrac{3}{4}}$

$\large{\boxed{\sf SP\:of\:one\:lemon=\frac{100+Gain\%}{100}×CP }}$

$\large\implies{\sf \dfrac{100+20}{100}×\dfrac{3}{4} }$

$\large\implies{\sf \dfrac{120}{100}×\dfrac{3}{4}}$

$\large\implies{\sf \dfrac{9}{10} }$

$\LARGE\underline{\underline{\sf Answer:}}$

$\large\underline{\sf SP\:of\:one\: banana=Rs.\dfrac{9}{10}}$