In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.
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Steam Engine was invented by?
Piano was invented by ________.
What is Damodar Valley Corporation ?
Bharhut is related to ________________.
Electric Motor converts _____ energy to mechanical energy
Which of the following is an example of thermoplastics?
Allium Cepa is the scientific name of _____.