18. When the price of eggs is reduced by 20%, it
enables a man to buy 20 more eggs for Rs.40.
The reduced price per egg is: (SSC CGL 2004)
(a) 35 paise
(b) 40 paise
(c) 50 paise
(d) 56 paise
Answers
Answered by
4
Step-by-step explanation:
Price per egg=x
Number of eggs bought for Rs40=40/x
Reduced price of egg=x-20% of x
x−
100
20
×x
x−0.2x=0.8x
Number of eggs that can be bought=40/0.8x
As per sum,
⇒
0.8x
40
−
x
40
=20
⇒
0.8x
40−32
=20
⇒
0.8x
8
=20
⇒16x=8
x=2
2×
100
20
=.40paise
reduced price per egg will be 40 paise as 20% of Rs 2 is 40paise.
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