The total cost of 10 of meat at Rs 1.69 a lb and 20 lemons at Rs 60 per dozen will be ?

Answer: None of these
Explanation
Given:
  • 10 lb of meat at Rs 1.69 per lb

  • 20 lemons at Rs 60 per dozen

Step 1: Cost of meat


10 text{ lb} times 1.69 = 16.90

Step 2: Cost of lemons
  • 1 dozen = 12 lemons

  • So, price per lemon =
    frac{60}{12} = 5
    Rs per lemon

  • 20 lemons = Rs

    Step 3: Total cost


16.90 + 100 = 116.90

 Correct answer: (D) None of these
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