Latest Elitmus Aptitude Question SOLUTION: on selling 17 balls at rs 720,there is a loss equal to the cp of 5 balls.the cp of a ball is?

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(#M40164408) ELITMUS Numerical Ability question Keep an EYE

on selling 17 balls at rs 720,there is a loss equal to the cp of 5 balls.the cp of a ball is?

Asked In Elitmus Sniper (7 years ago)

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Suruchd Kanodia  (7 years ago)

C.P of a ball is Rs 60
as,
S.P of 17 balls is =Rs 720
loss=C.P of 5 balls
loss=C.P of 17 balls- S.P of 17 balls
C.P of 5 balls=C.P of 17 balls- S.P of 17 balls
720=C.P of(17-5) balls
720=C.P of 12 balls
C.P of 1 ball=720/12
C.P of 1 ball= Rs60

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Kartik Choudhary  (5 years ago)

w.k.t. S.p.=c.p.-loss
given:-
Loss = 5 C.P.
putt the value of loss in above formula.
And acc. to the statement of question--
17 S.P. = 17 C.P. - 5 C.P.
we get--
S.p./c.p. = 12/17 ----- (equation 1)

S.P. of one ball = 720/17
putt this in eq.1
(720/17)/C.P. = 12/17.

Solve this , we get-
C.P. = 60

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