Which of the following is greater than 1 ?
A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percentage is-
There are 3 green, 4 orange and 5 white colour bulbs in a bag. If a bulb is picked at random, what is the probability of having either a green green or a white bulb?
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.