Book Maths Puzzle

Some students planned for a picnic. The budget for the food was Rs 480. As 8 of them failed to join the party, the cost of the food for each member increased by Rs 10. Find how many students went for the party.

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Book Other Question

A sperical ball of radius 7cm is kept on the floor. It is to be covered by a right cylinder open at one end. Find the volume and the surface area of the cylinder if the cylinder just covers the ball Ms Reddy has a cumulative deposit account with a branch of state bank of India. She deposits Rs 800 per month for a period of 3 years. After that she receives Rs 65592 as a maturity value. Find the rate of simple interest p.a.