## Realated Questions

A new flag is to be designed with six vertical stripes using some or all of the colours yellow, green, blue and red. Then, the number of ways this can be done such that no two adjacent stripes have the same colour is

There are

*n*boxes, each of which contains several coins of denominations Rel, Rs.2, Rs.3, Rs.4 and Rs.5. If exactly 10 coins are randomly drawn from each of the boxes, then fmd the minimum possible value of*n*such that at least eight coins of the same denomination arc obtained on the whole.Of the two machines purchased, the first one’s share of cost is 62.5%. Depreciation is to be calculated annually at the rates of 15% and 20% on the first and second machines respectively, of the value of each machine at the beginning of the year. At the end of two years, the total value of depreciation is what percent of the total cost? (Round up to first decimal place).