Which of the following is not correct?
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Which of the following is NOT a property of acids?
In 2015, the United Nations Climate Change Conference was held at -
Find the sum of the measures all the exterior angles of a decagon.
If tan (5x - 10°) = cot (5y + 20°), then the value of x + y is
Who is the Bengali writer who won the 31st Moortidevi Award for the year 2017?
The famous tennis player Steffi Graf belongs to which among the following countries?
A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is