Question

if 3 cannon firing 4 rounds in 6 minutes kill 250 men in half an hour, how many cannon, firing 3
rounds in 5 minutes will kill 600 men in an hour ?
1 4 cannon
2. 5 cannon
3. 6 cannon
4. 8 cannon
5.9 cannon​

Answer 1

Answer:

answer is option 5)

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Step-by-step explanation:

Answer 2

Answer: Option(5) 9 cannon is the correct answer. 9 cannon firing 3 round in 5 minutes can kill 600 men in an hour.

Step-by-step explanation:

In the first round:

3 cannon firing 4 round in 6 minutes killing 250 men in half an hour

so, in one minute $\frac{4}{6}$ round will be fired

For the second round:

3 round firing of a cannon in 5 minutes killing 600 men in an hour,

so the number of cannon required is:

= 3 × $\frac{5}{2}$ × $\frac{600}{250}$ × $\frac{1}{2}$

= 9 cannons.

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