For the following questions answer them individually
In the given figure, if DE $$\parallel$$ BC, AD = 2.5 cm, DB = 3.5 cm and EC = 4.2 cm, then the measure of AC is:
The price of sugaris increased by 20%. By what percentage must one cut down on the consumption of sugar, so that no extra amount has to be incurred on sugar?
A furniture shopkeeper allows a discount of 16% on the marked price on the goods to his customers and still gains 20%. Whatis the marked price of a dining table, which costs the shopkeeper ₹11,900?
If $$\tan \theta - \cot \theta = \cosec \theta, 0^\circ < \theta < 90^\circ$$, then what is the value of $$\frac{2 \tan \theta - \cos \theta}{\sqrt{3} \cot \theta + \sec \theta}$$?
The value of $$\cos 0^\circ \cos 30^\circ \cos 45^\circ \cos 60^\circ \cos 90^\circ$$ is:
The heights of some girls in a school were noted and the data obtained are as shown in the table.
How many girls have a height of 135 cm or more but less than 150 cm?