$A$ discount of $40 \%$ on the marked price of a trouser enables Ajit to purchase a shirt also which costs him $₹ 320$. How much did Ajit pay for the trouser? (in $₹$)

Some articles were bought at $6$ articles for $Rs. 5$ and sold at $5$ articles for $Rs. 6$. The gain percent is: (in $\%$)

Nutan bought a watch with $24 \%$ discount. If she pays $Rs. 779$ for that watch,then what is the marked price of the watch in $Rs.$?

Find $SP$ when $CP = Rs. 80.40$ and $\text{loss} = 5\%$.

$A$ manufacturer sells an article to a wholesale dealer at a profit of $10 \%$. The wholesale dealer sells it to a shopkeeper at $20 \%$ profit. The shopkeeper sells it to a customer for $₹ 56,100$ at a loss of $15 \%$. Then the cost price of the article to the manufacturer is (in $₹$) (in $,000$)

$A$ sells an article to $B$ at a gain of $20 \%$,$B$ sells it to $C$ at a gain of $10 \%$,and $C$ sells it to $D$ at a gain of $12 \frac{1}{2} \%$. If $D$ pays $₹ 29.70$,then $A$ purchased the article for (in $₹$):