Question
In each sentence below four words have been printed in
bold which are numbered (1), (2), (3) and (4) One of these words may be misspelt or inappropriate in the context of the sentence. Find out the wrongly spelt or inappropriate word. The number of that word is the answer. If all the words are correctly spelt and are appropriate the answer is (5) i.e. ‘All correct.' Environmentalists (1)/ have raised (2)/ concerns about the excessive (3)/ deforestation in the Amazon, which is worsening (4)/ the effects of climate change. All correct (5)Solution
All words are correctly spelt.
Find remainder when 7¹³ is divided by 100.

Sum of squares of three consecutive numbers is 770. Find the sum of first and third number.
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