Questions

Mechanical energy is the sum of

What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?

In sexual reproduction a parent contributes

A ceramic pottery unit hires 8 craftsmen by paying each of them Rs 900 per day. The 9th craftsman demands Rs 950 per day. If this craftsman is hired then all other craftsmen must be paid Rs 950. The marginal resource (labour) cost of the 9th craftsman is _________.

If for the year a country's GDP was $ 1315 million, consumer spending was $900 million, investment by businesses was $180 million, exports were $85 million and imports were $100 million, calculate government spending?

On which date was the partition of India announced?

The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is