Question

cost of 5 each of two kinds of cfl bulbs for 100 rupees. the price of the cheap lamp in 85 rupees a piece. what is the price of one of the costlier kind

Answer 1

Answer:

115 rs

Step-by-step explanation:

cost of 1 cheaper lamp=85

then

cost of 5 cheaper lamp=85×5=425

therefore

left money=1000-425=575

now the remaining 575 rs will the cost of 5 costlier lamps

then

cost of one cosliter lamp=575/5

=115 rs

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