A mango and an orange cost Rs.20 and Rs.10 respectively. Assume the price of mango is increased by20% and the price of an orange is increased by 25%. A person wants to buy 10 mangoes and 5 oranges. Then what is the percentage change in the total amount spent by him/her after an increase in the price?
a)16
b)21
c)25
d)17.4
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2
Answer:
this questions answer is 21
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mango cost = 20 rs
Orange cost = 10 rs
mango cost increased by 20%= 20/100*20=4
orange cost increased by 25% = 25/100*10=2.5
cost of 10mango= (20+4)*10= 240
cost of 5 oranges = (10+2.5)*5= 62.5
total cost = 302.5
total cost when earliet rate = 200+50=250
percentage increase in spent = (302.5-250)/250*100
52.5/250*100=21%
Ans b
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