Study the bar graph and answer the question.
In how many years was the number of trees planted in state B more than the average number of trees planted in state A over the years?
Percentage decrease in the number of trees planted in 2016 in state A as compared to that in 2015 in the same state was:
The total number of trees planted in state B in 2015 and 2017 was what percentage less than the total number of trees planted in state A in 2014, 2016 and 2017? (Your answer should be correct to one decimalplace.)
For the following questions answer them individually
A pole stands vertically on a road, which goes in the north-south direction. P, Q are two points towards the north of the pole, such that PQ = b, and the angles ofelevation ofthe top ofthe pole at P, Q are a, B respectively. Then the height of the pole is:
Three pipes, A, B, C can fill an empty cistern in 2, 3 and 6 hours respectively. They are opened together. After what time should B be closed, so that the cistern gets filled in exactly 1 hr 15 min?