Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is
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If x+1x = 2, then x2+1x2 = ?
Which of the following animals can change its sex?
Which light is least effective in photosynthesis?
ISRO built India's first satellite known as _____.
Newton's first law is also known as _______.
All doubts and disputes in connection with election of the President are inquired into and decided by __________ .
In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.