In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.
9 ÷ 16 - 25 + 10 x 20 = ?
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The value of cos220°+cos270° is
If 2x + 2(4 + 3x) < 2 + 3x > 2x + x/2; then x can take which of the following values?
What is the unit digit of the sum of first 111 whole numbers?
Name the longest lake in India?
Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
If a body is moving on a circular path, what is its average velocity if it completes one cycle in one second?
Removal of carbon particles from air involves the principle of