In the following question, find out the alternative which will replace the question mark. Telephone : Graham bell ∷ Bulb : ?
In the following question, find out the alternative which will replace the question mark. Telephone : Graham bell ∷ Bulb : ? Correct Answer Thomas Alva Edison
Telephone was invented by Graham Bell.
Similarly, light bulb was invented by Thomas Alva Edison.
Hence Thomas Alva Edison is the answer.