Number of gift articles sold by shop B on 20^th December is what percent of number of articles sold by the same shop on 24^th December

What is the difference between total number of gift articles sold by both the shops together on 21 st December and that sold by both the shops together on 23 rd December

Number of gift articles sold by shop A on 22^nd December is what percent more than that sold by shop B on the same day

On 25^th December, the number of gift articles sold by shop B was twice of what the same shop sold on 24^th December. How many gift articles did shop B sell on 25^th December

10 men can complete a piece of work in 6 days and 6 women can complete the same piece of work in 12 days. In how many days will 15 men and 10 women together complete the work

The speed of a boat in still water is 14 km/h and the speed of the current is 2 km/h. The time taken by the boat to travel from point A to point B downstream is 1 hour less than the time taken to the same boat to travel from point B to point C upstream. If the distance between points A and B is 4 km less than that between points B and C, what is the distance between points B and C