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By Mathematics Mcqs 10 Comments

18 men can eat 20 kg of rice in 3 days. How long will 6 men take to eat 40 kg of rice?

A. 20
B. 18
C. 32
D. 20

Explanation by Fahad Maqsood Akhtar:
20kg / 3days = 6.6666 (per day rice quqntity)
6.6666 / 18men = 0.3703 (rise for one man)
Now further is:
0.3703 * 6men = 2.2218 (rice for 6 men)
2.2218 * 18(ANS) = 40kg

Explanation by Zeeshan:

6 men is 3x less than 18 men. So it would take the 6 men 3x as long to eat the 20kg. Meaning 9 days. 40kg is double the amount, so it would take them twice as long, meaning it would take 18 days.

Explanation by NAEEM ULLAH:
formula
(men)(days)/food=x

now
(2nd given food)/x/(2nd given men)

Explanation by NAEEM ULLAH:
18*3/20=6/40x
54/20=6/40x
54*40/20*6=x
18=x

Explanation by Muddasir Khan:
It is easy bro find how many days will take 6 men to eat 20kg of rice. You will get 9 days. Now since we have asked for 40kg of rice then the remaining 20kg of rice will also take 9 days . in this way the answer is 18

Related Mcqs:

  1. If 25 men can eat 150 kg of wheat in 30 days then 45 men can eat 450 kg of wheat in how many days?

    A. 13 days
    B. 50 days
    C. 15 days
    D. 18 days

  2. In a camp sufficient food was provided to 500 men to last for 10 days. But after 5 days 200 more men joined. How long the food will last for after joining the 2000 new men?

    A. 3
    B. 8
    C. 5
    D. 1

  3. P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?

    A. 10
    B. 8
    C. 18
    D. 19

  4. 10 men can complete a work in 7 days. But 10 women need 14 days to complete the same work. How many days will 5 men and 10 women need to complete the work?

    A. 7
    B. 5
    C. 6
    D. 4

  5. 3 men and 7 women can complete a work in 10 days . But 4 men and 6 women need 8 days to complete the same work . In how many days will 10 women complete the same work?

    A. 50
    B. 30
    C. 40
    D. 13

  6. 6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in_______days.

    A. 4 days
    B. 6 days
    C. 2 days
    D. 8 days

  7. The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?

    A. Rs.849.40
    B. Rs.877.40
    C. Rs.901.60
    D. Rs.815.20
    E. None of these

  8. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:_______?

    A. Rs. 18
    B. Rs. 18.50
    C. Rs. 19
    D. Rs. 19.50

  9. A reduction of 20 % in the price of rice enables a person to buy 3.5 kg more rice for Rs. 385. The original price of rice is:________?

    A. Rs. 20 per kg
    B. Rs. 22.50 per kg
    C. Rs. 25 per kg
    D. Rs. 27.50 per kg

  10. 25 men can consume 250kg of wheat in 20 days. 20 men cang consume how much wheat in 25 days?

    A. 300
    B. 200
    C. 250
    D. 350

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10 Comments

  2. SHAHBAZ on

    Men Food Mcqs calculations for Mathematics Preparation details are not given by admin .Kindly give explanations of each questions.

    Reply
    • Muddasir Khan on

      It is easy bro find how many days will take 6 men to eat 20kg of rice. You will get 9 days. Now since we have asked for 40kg of rice then the remaining 20kg of rice will also take 9 days . in this way the answer is 18

      Reply
  6. Fahad Maqsood Akhtar on

    20kg / 3days = 6.6666 (per day rice quqntity)
    6.6666 / 18men = 0.3703 (rise for one man)
    Now further is:
    0.3703 * 6men = 2.2218 (rice for 6 men)
    2.2218 * 18(ANS) = 40kg

    Reply
  7. Zeeshan on

    6 men is 3x less than 18 men. So it would take the 6 men 3x as long to eat the 20kg. Meaning 9 days. 40kg is double the amount, so it would take them twice as long, meaning it would take 18 days.

    Reply
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