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Question 13

(a) The second, fourth and sixth terms of an Arithmetic Progression (A.P.) are x  1, x + 1
and 7 respectively. Find the:
(i)common difference;
(ii)first term;
(iii)value of x.
(b) A spherical bowl of radius r em is onequarter full when 6 litres of water is poured into
it. Calculate, correct to three significant figures, its diameter. [Take π =22/7]

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