The work done by a man, a woman and a child is in the ratio $3:2:1$. There are $20$ men, $30$ women and $36$ children. Their weekly wages (₹ $780$) are divided in the ratio of work done by men, women and children. What will be the wages of $15$ men, $21$ women and $30$ children for $2$ weeks?
A and B entered into a partnership, investing ₹$16000$ and ₹$12000$ respectively. After $3$ months, A withdrew ₹$5000$ while B invested ₹$5000$ more. After $3$ more months, C joined with ₹$21000$. At the end of a year, the profit was ₹26,400. By how much does B's share exceed C's share?
$X=$ Marked price of Laptop; $Y=$ Marked price of A.C. Decide the relation between $X$ and $Y$.
$X=$ Profit amount of Mobile; $Y=$ Discount amount of Mobile. Decide the relation between $X$ and $Y$.