In a fair, the entrance ticket for Kids w… | Answer

Subject

Quantitative Aptitude

Topic

Percentage

In a fair, the entrance ticket for Kids was Rs.16 and Rs.20 for adults. Every year, adult's cost increases by 25% more than kid’s increase rate. The rate of increase of ticket rate for Kids is 25%. What will be the difference of their ticket cost after 2 years?
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ক)

Rs.16

খ)

Rs.15

গ)

Rs.20

ঘ)

Rs.18

ঙ)

None of these

Explanation

We are given that rate of increase of ticket cost for kids = 25% Hence ticket cost after 1 year = Rs 16 + 25%of 16 = 16 + (25/100) × 16 = 16 + 4 = 20 Hence ticket cost after 2 years = Rs 20 + 25%of 20 = 20 + (25/100) × 20 = 20 + 5 = 25 Also we are given that ticket cost for adults = Rs 20 That rate of increase of ticket cost for adults = (25 + 25)% = 50% Hence ticket cost after 1 year = Rs 20 + 50%of 20 = 20 + (50/100) × 10 = 20 + 10 = 30 Hence ticket cost after 2 years = Rs 30 + 50%of 300 = 30 + (50/100) × 30 = 30 + 15 = 45 Difference of ticket cost = Rs 45 – Rs 25 = Rs. 20

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In a fair, the entrance ticket for Kids was Rs.16 and Rs.20 for adults. Every year, adult's cost increases by 25% more than kid’s increase rate. The rate of increase of ticket rate for Kids is 25%. What will be the difference of their ticket cost after 2 years?Reading

In a fair, the entrance ticket for Kids was Rs.16 and Rs.20 for adults. Every year, adult's cost increases by 25% more than kid’s increase rate. The rate of increase of ticket rate for Kids is 25%. What will be the difference of their ticket cost after 2 years?

Explanation

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In a fair, the entrance ticket for Kids was Rs.16 and Rs.20 for adults. Every year, adult's cost increases by 25% more than kid’s increase rate. The rate of increase of ticket rate for Kids is 25%. What will be the difference of their ticket cost after 2 years?
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