Which of the following is used for disinfecting drinking water?

If  a+1/a = 3, then a3+1a3?

The data given shows the registration of bikes and total vehicles (in thousands) for six months in 2017 in city X.

Note : In the chart, the first number represents bikes and the second number represents total vehicles.

The increase in registration of bikes from may to June 2017 is:

Two or more elements combine to form a

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

What is the name of the point at which the chromatids are attached in a chromosome?

Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?

To go a distance of 40 km upstream a rower takes 8 hours while it takes her only 5 hours to row the same distance downstream. What was the rower's speed in still water?