Direction : What value should come in the place of question mark (?) in the following questions?

190×38÷4=?

The pie chart given below shows the number of shoes of 5 different brands in a multi brand store. There are total 1200 shoes.

What is the difference in number of shoes of Puma and Vans?

One watch which gains uniformly is one minute slow at 1 pm on Tuesday and it is two minutes fast at 1 am on the following Friday. When had it shown the correct time?

A goods train 350 m long passes through a tunnel of length 1250 m in 80 seconds. What is the speed of the train?

Vimal travels a certain distance at a speed of 80 km/hr. If Sohel travels one third of that distance at a speed of 60 km/hr then at what speed he should travel the remaining distance if total time taken by both Vimal and Sohel was same for the given journey?

If A can do a work in 10 days and B can do the same work in 15 days, then how many days will they take to complete the work both while working together?

B got 20% marks less than A. What per cent marks did A got more than B? 

If one root of the equation Ax²+Bx+C = 0 is two and a half times the others, then which of the following is TRUE?