Find the gain or loss per cent when:

$CP = Rs 2400 and SP = Rs 2592$
 

Find the gain or loss per cent when:

$CP = Rs 1650 and SP = Rs 1452$

Find the gain or loss per cent when:

$CP = Rs 12000 and SP = Rs 12800$

Find the gain or loss per cent when:

$CP = Rs 1800 and SP = Rs 1611$

Find the Cost Price when Selling Price $=₹924,$ Gain $=10\%$

Find the CP when:

$SP = Rs 1755, gain =12\frac{1}{2}\%$

Find the CP when:

$SP = Rs 8510, loss = 8\%$

Find the CP when:

$SP = Rs 5600, loss =6\frac{2}{3}\%$