For adults 6-7 hours of continuous undisturbed ............. is sufficient.

A boat travels for 7 hours. If it travels 4 hours downstream and 3 hours upstream than it covers the distance of 116 km. But if it travels 3 hours downstream and 4 hours upstream, it covers a distance of 108 km. Find the speed of a boat.

The continued product 2.6.10.14….. ( n times) in equal to

Find (1)/(6) of 4 hours

A bus is running at a uniform speed. It covers a distance of435 km in 6 hours. How much distance will it cover in 8 hours ?

An X-ray tube is operated at 6.6 kV . In the continuous spectrum of the emitted X-rays, which of the following frequency will be missing?

An X-ray tube is operated at 6.6 kV . In the continuous spectrum of the emitted X-rays, which of the following frequency will be missing?

Statement -1 : y = [x] , ([.] denotes greatest integer function) is not a continuous function . Statement -2 : {x} ({.} denotes fractional fractional function) is discontinuous at integral points. Statement -3 : y = 7^(x) is continuous in its domain.

What is 7/(10) of an hour (in minutes)?

Show that 6, 36, 216 are continued proportion.

The figure above shows the number of emails sent per day plotted against the number of hours an adult works on a computer per day. Which of the following best estimates the average rate of change in the number of emails sent compared to the number of hours working on a computer?