For the following questions answer them individually
A ladder 18 m long rests against a wall so that the angle between the ladder and the wall is $$30^{\circ}$$. How far (in m) is the base of the ladder from the wall?
The selling price of a mobile phone is ₹59,620 and it was sold at 8.4% profit. The cost price (in ₹) of the mobile phone is:
If $$\cosec A = \sec B$$, where A and B are acute angles, then what is the value of (A+ B)?
If a nine-digit number 485$$x$$3678y is divisible by 72, then for the smallest value of $$x$$, the value of$$\left(2y - 3x\right)$$ is: