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The total cost of a dozen apples and half a dozen oranges cannot exceed 180. The cost of each orange cannot exceed ₹5. Find the minimum possible cost of each apple.

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PEARSON IIT JEE FOUNDATION-LINEAR EQUATIONS AND INEQUATIONS -EXAMPLES
  1. The sum of the digits of a two digit numbers is 9. If 9 is subtracted...

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  2. The difference between the present age of a person and his son is 24 y...

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  3. The total cost of a dozen apples and half a dozen oranges cannot excee...

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  4. There are some rose flowers in a garden and some bees hovering around....

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  5. Runs scored by Girish in a match are 10 more than the balls faced by V...

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  6. Ashok had a total of ₹ 60 in the form of ₹ 5 coins, ₹ 2 coins and ₹ 1 ...

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  7. There are 48 questions in a test. Each correct answer fetches 1 mark, ...

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  8. Draw the graphs y le -1 and y ge 2.5 in the Cartesian plane.

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  9. Draw the graph of x gt -2 in the Cartesian plane.

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  10. Draw the graph x-y ge 0 in the Cartesian plane.

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  11. Draw the graph of y le x +2.

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  12. Draw the graph of x - 2y ge 4.

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  13. Construct the region represented by the inequations x + y ge 4 and 3x ...

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  14. Construct the region represented by the inequations x + y leq 3 and x...

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  15. Solve |3x-2| le 5.

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  16. Solve |2x + 4| ge 14.

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  17. Solve |5x - 7| lt -18.

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  18. SOlve |3-4x|<17 .

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  19. Find the solution set of (1)/(x+3) lt 0

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  20. Machine X can pack 30 articles per hour and machine Y can pack 35 arti...

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