A batsman makes a score of 87 runs ...
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A batsman makes a score of 87 runs in the incre uns in the 17th inning and thus erage by 3. Find his average after 17th innings. (1) 33 (2) 36 (3) 39 (4) 42

11th - 12th Class
Maths
Solution
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Let the average be " ( a^{prime} ).of ( therefore 16 a+87=17(a+3) ) average ourciage of 16 innings [ begin{aligned} 16 a+87 &=17 a+51 a &=36 end{aligned} ] ( therefore ) New arerge is ( (36+3)=39 ) option ( -(3) )
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