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A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl?

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hindi

5

sir isme qns hindi me nhi ho skte

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While riding her car NoN saw 12 of her friends wailing on the bus stop for going home. She offered to ride five of them to their destination. Among them Eku and Miku want to plan next day's work on their way home and decided that either both of them join or none of them would join. Choose the option that indicates number of ways can five friends choose to join NoN.
option a)220 b)210 c)372 d)180

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