Question
A series is given with one wrong term. Select the wrong
number from the given series. 17, 29, 43, 59, 77, 97, 112Solution
17 + 12 = 29 29 + 14 = 43 43 + 16 = 59 59 + 18 = 77 77 + 20 = 97 97 + 22 = 119
A regular polygon has an interior angle of 144°. How many sides does the polygon have?
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If O is circumcentre of acute angled triangle ABC, if ∠ OBC = 300 then ∠BAC = ?
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