Mathematics

Q211

A train travels 60 km at 60 km/h and then 60 km at 120 km/h. What is its average speed?

Q213

Sum of dimensions of cuboid is 19cm and diagonal is 5√5 cm, surface area is

Q214

If the arithmetic mean of seventy-five numbers is 35, and each number is increased by 35, then the mean of the new numbers is:

Q216

Two numbers are respectively 20% and 50% more than a third. What percentage is the first to the second?

Scroll to Top