For the following questions answer them individually
In this question, three statements are given followed by three conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
1) Some actors are writers.
2) All writers are dancers.
3) No actor is a director.
Conclusions:
I. No writer is an actor.
II. Some actors are dancers.
III. Some writers are not directors.
What is the speed of a sound wave whose frequency is 2000 Hz and whose wavelength is 0.2 m?
When was the internal emergency declared in India during the period of Indira Gandhi as Prime Minister?
An article bought at 20% discount is sold at 25% profit. What is the profit or loss compared with the original price?