The average score of a cricketer for 10 matches is 42, find the average for last four matches :

34 \frac{1}{4}

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36 \frac{1}{4}

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35 \frac{1}{4}

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Solution

The correct option is C $34 \frac{1}{4}$
$l e t t h e t o t a l s c o r e b e$
$T o t a l r u n s in10 matches=38 .9 \times 10 = 389$
$l e t u s c a l c u l a t e n o w$
$T o t a l r u n s i n f i r s t s i x m a t c h e s = 42 \times 6 = 252$
$A s p e r q u e s t i o n$
$t o t a l r u n s i n l a s t 4 m a t c h e s = 389 - 252 = 137$
$s o a v e r a g e f o r l a s t 4 m a t c h e s = 137 / 4 = 34.25$

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The average score of a cricketer for 10 matches is 42, find the average for last four matches :

The correct option is C 3414 letthetotalscorebe Totalruns in10 matches=38.9×10=389 letuscalculatenow Totalrunsinfirstsixmatches=42×6=252 Asperquestion totalrunsinlast4matches=389−252=137 soaverageforlast4matches=137/4=34.25