Question

arunbabu used 16 ploughs to cultivate his whole land in 10days. lets find, if he wanted to cultivate the same land in 8 days, how many ploughs he would have needed​

Answer 1

Answer:

Here the concept is simple.

"16 ploughs to cultivate his whole land in 10 days"

That is for one day he needs =10/16=0.625 ploughs

So for 8 days he need =0.625×8=5 ploughs.

Hope it clears.

Good luck.

Answer 2

QUESTION:

arunbabu used 16 ploughs to cultivate his whole land in 10days. lets find, if he wanted to cultivate the same land in 8 days, how many ploughs he would have needed

ANSWER:

$days \: \: \: \: \: \: plough \\ 10 \: \: \: \: \: \: \: \: \: \: \: 16 \\ 8 \: \: \: \: \: \: \: \: \: \: \: \: \: ?$

In 10 days Arunbabu used 16 ploughs to cultivate the whole land

In 1 day Arunbabu used 16×10 ploughs to cultivate the whole land

In 8 days Arunbabu used (16×10)/8 ploughs to cultivate the whole land

$= \frac{{{ \cancel{16}}}^{2} \times 10}{{{ \cancel{8}}} } \\ = 20 \: ploughs$

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