recategorized by
457 views
0 votes
0 votes

The price of Coffee (in rupees per kilogram) is $100 + 0.10n$, on the $n$th day of $2007 \;(n = 1, 2,\dots, 100)$, and then remains constant. On the other hand, the price of Ooty tea (in rupees per kilogram) is $89 + 0.15n$, on the $n$th day of $2007\; (n = 1, 2,\dots, 365)$. On which date in $2007$ will the prices of coffee and tea be equal? 

  1. $\text{May 21}$ 
  2. $\text{April 11}$ 
  3. $\text{May 20}$
  4. $\text{April 10}$
recategorized by

Please log in or register to answer this question.

Related questions

0 votes
0 votes
1 answer
2
makhdoom ghaya asked Jan 17, 2016
485 views
Consider four-digit numbers for which the first two digits are equal and the last two digits are also equal. How many such numbers are perfect squares? $3$ $2$ $4$ $1$
0 votes
0 votes
0 answers
3
makhdoom ghaya asked Jan 17, 2016
653 views
John bought five toffees and ten chocolates together for forty rupees. Subsequently, he returned one toffee and got two chocolates in exchange. The price of an chocolate ...