Question 11 MarkThe number of men and the time taken by them to do a job are in inverse proportion. __________AnswertrueView full question & answer→
Question 21 MarkThe speed and distance covered are in direct proportion. __________AnswertrueView full question & answer→
Question 31 Mark3 persons can build a wall in 4 days. Then 4 persons can build it in $3 \frac{1}{4}$ days. __________AnswerfalseView full question & answer→
Question 41 MarkWhen $x$ and $y$ are in inverse proportion, then $x_1 y_2=x_2 y_1$. __________AnswerfalseView full question & answer→