A) \[{{w}_{2}}\]
B) \[{{d}_{2}}\]
C) \[{{m}_{1}}{{d}_{1}}{{w}_{2}}={{m}_{2}}{{d}_{2}}{{w}_{1}}\]
D) \[\text{Averagespeed=}\frac{\text{Total distance travelled}}{\text{Total time taken}}\]
Correct Answer: A
Solution :
No. of men Contribution by each man M \[\frac{C}{M}\] \[A=P\left( 1+\frac{TR}{100} \right)\] x \[81=72\left( 1+\frac{T\times \frac{25}{4}}{100} \right)\] The extra money each have to contribute \[\frac{16+T}{16}=\frac{81}{72}\]
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