1f 9 is 34 of n, what number is 56of n?
In the figure, AD and BC are lines intersecting at O. What is the value of a?
30
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The tax on a commodity is diminished by 10% and its consumption increases by 10%. Find the effects on revenue.
A reservoir has two pipes, A and B. A can fill the reservoir 5 hours faster than B. If both together fill the reservoir in 6 hours, the reservoir will be filled by A alone in-