Questions

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

Non-metallic character increases from ____.

For each perfectly competitive firm in the long run

__________ resources are those resources whose quantity is known.

The unemployment created at certain times of the year, when the demand for goods and services are lower than normal, is _____.

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

Go north-east across the mountains till you will reach an island.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
I was shocked to hear (1)/ that her husband (2)/ died of an accident. (3)/ No Error (4)

Hydra reproduces by