For the following questions answer them individually
A seller gives 4 toys free of cost on buying 14 toys. What percent does the customer get as a discount?
While travelling from Nashik to Daman, Harsh drove for 1 hour at a speed of 50 km/h and for the next three hours at 60 km/h. What was his average speed for the whole trip?
6 men or 2 women or 4 boys can finish a work in 77 days. How many days will 1 man, 1 woman and 1 boy together take to finish the same work?
Raghuvir purchased some perishable items for sale but 36% of those items could not be sold and went bad. However, Raghuvir managed to sell the rest of the items at a price that helped him earn an overall profit of 28%. At what percentage above the cost price of each item did Raghuvir sell each of the items that did not go bad?
After melting three cubes of sides 6 cm, 8 cm and 10 cm, a big cube is made. Find the side of the new cube.
If $$\cos \left(x-y\right)=\frac{\sqrt{3}}{2}$$ and $$\sin \left(x+y\right)=1$$, where x and y are positive acute angle and $$x \geq y$$, then x and y are ($$0^{\circ}<\left(x+y\right)\leq 90^{\circ}$$)