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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In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?
The area of a circle is 616 sq.m. Find its diameter.
Saina Nehwal is associated with which sport?
Which one of the following is not the official language of the UNO?
Name the longest river in India.
If a - b = 2 and ab = 15, then what is the value of a3- b3?
Animals in which the cells are arranged in three embryonic layers are called ________.