Question
Find the missing term in the series? 31, 39, 49,
61, 75, __Solution
31 + 8 = 39 39 + 10 = 49 49 + 12 = 61 61 + 14 = 75 75 + 16 = 91
PQRS is a cyclic trapezium where PQ is parallel to RS and PQ is the diameter. If ∠QPR = 40° then the ∠PSR is equal to:
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