Questions

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

What does the symbol R in electricity stand for ?

Prohibition of discrimination on grounds of religion, race, caste, sex or place of birth comes under which category of Fundamental Rights in Indian Constitution?

If the fixed costs of a factory producing candles is Rs 20,000, selling price is Rs 30 per dozen candles and variable cost is Rs 1.5 per candle, what is the break-even quantity?

The instrument used to examine a person's digestive tract is called ___.

Bacteria, blue-green algae or cyanobacteria and mycoplasma are examples of organisms of which kingdom?

Which of the following elements was the last element in Newland's Law of Octaves?

The transport of soluble products of photosynthesis is called ______.