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In an army camp, there are 320 soldiers. They have sufficient food for 80 days. If after 20 days, 20 soldiers left the camp, for how many more days will the food last?
- a)56
- b)64
- c)32
- d)48
Correct answer is option 'B'. Can you explain this answer?
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Given:
- Total soldiers in the camp = 320
- Sufficient food for 80 days
Calculating the initial food requirement:
- Total soldiers in the camp = 320
- Food required per day for each soldier = 1
- Total food required per day = 320 * 1 = 320
Calculating the initial food stock:
- Food stock for 80 days = 320 * 80 = 25600 units of food
After 20 days:
- Food consumed by 320 soldiers in 20 days = 320 * 20 = 6400 units of food
- Remaining food stock = 25600 - 6400 = 19200 units of food
20 soldiers left the camp:
- Remaining soldiers in the camp = 320 - 20 = 300
Calculating the new food requirement:
- Food required per day for each soldier = 1
- Total food required per day = 300 * 1 = 300
Calculating the number of days the remaining food stock will last:
- Remaining food stock = 19200 units of food
- Number of days the remaining food stock will last = 19200 / 300 = 64 days
Therefore, the food will last for 64 more days.
Hence, the correct answer is option B) 64.
- Total soldiers in the camp = 320
- Sufficient food for 80 days
Calculating the initial food requirement:
- Total soldiers in the camp = 320
- Food required per day for each soldier = 1
- Total food required per day = 320 * 1 = 320
Calculating the initial food stock:
- Food stock for 80 days = 320 * 80 = 25600 units of food
After 20 days:
- Food consumed by 320 soldiers in 20 days = 320 * 20 = 6400 units of food
- Remaining food stock = 25600 - 6400 = 19200 units of food
20 soldiers left the camp:
- Remaining soldiers in the camp = 320 - 20 = 300
Calculating the new food requirement:
- Food required per day for each soldier = 1
- Total food required per day = 300 * 1 = 300
Calculating the number of days the remaining food stock will last:
- Remaining food stock = 19200 units of food
- Number of days the remaining food stock will last = 19200 / 300 = 64 days
Therefore, the food will last for 64 more days.
Hence, the correct answer is option B) 64.
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In an army camp, there are 320 soldiers. They have sufficient food for 80 days. If after 20 days, 20 soldiers left the camp, for how many more days will the food last?a)56b)64c)32d)48Correct answer is option 'B'. Can you explain this answer?
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