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A reduction of 20% in the price of rice enables a man to buy 10 kg more rice for Rs. 1600. Find the reduced price of rice per kg.
  • a)
    Rs. 25  
  • b)
    Rs. 12
  • c)
    Rs. 32 
  • d)
    None
  • e)
    All of the above
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
A reduction of 20% in the price of rice enables a man to buy 10 kg mor...
Let the original price of rice = Rs. x/kg
New price = Rs 4x/5 kg
According to question,
[1600/(4x/5)] - (1600/x) = 10
=>(8000/4x) - (1600/x) = 10
=>40x = 1600 {By solving above equation}
=>x = 40
Hence the original price of rice is 40 rupees per kg.
for the reduced price equal to=(4/5)×40
=32
therefore the new price of rice is 32 rupees per kg
HENCE OPTION C IS THE ANSWER
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A reduction of 20% in the price of rice enables a man to buy 10 kg mor...
Given:
  • A reduction of 20% in the price of rice enables a man to buy 10 kg more rice for Rs. 1600.
  • We need to find the reduced price of rice per kg.
Step 1: Let the original price of rice per kg be p Rs.
After a reduction of 20%, the new price per kg of rice becomes:
Step 2: Set up the equation.
  • The man spends Rs. 1600 to buy rice, and the reduction in price enables him to buy 10 kg more rice.
  • At the original price p, the quantity of rice he could buy with Rs. 1600 is:
    1600/p
  • At the reduced price 0.8p, the quantity of rice he can buy with Rs. 1600 is:
  • According to the problem, the difference in the quantity of rice purchased is 10 kg:
Step 3: Solve the equation.
  1. Factor out 1600/p:
  2. Simplify 1/0.8​:

    Now the equation becomes:
  3. Solve for p:
Step 4: Find the reduced price.
  • The original price of rice per kg is Rs. 40.
  • The reduced price per kg is:
    0.8 × 40 = 32 Rs.
The reduced price of rice per kg is Rs. 32.
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A reduction of 20% in the price of rice enables a man to buy 10 kg more rice for Rs. 1600. Find the reduced price of rice per kg.a)Rs. 25b)Rs. 12c)Rs. 32d)Nonee)All of the aboveCorrect answer is option 'C'. Can you explain this answer?
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