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Last updated at June 21, 2018 by Teachoo
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Ex 2.4, 8 Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.Let the number of deers in the herd be π₯ Half of the herd grazing in field = π₯/2 Remaining = π₯βπ₯/2=π₯/2 Of the remaining π/π 3^π‘β/4 of remaining half are playing = Remaining deers drinking water = π₯/2β3π₯/8 Given, Remaining deers drinking water = 9 π₯/8=9 π₯ = 8 Γ 9 π₯ = 72 β΄ Total number of deers in herd = 72
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