For the following questions answer them individually
A person loses 20% when he sells an article for ₹230. What percentage will he gain, if he sells it for ₹339.25?
The total surface area of a solid cylinder is 1155 cm$$^2$$. Its curved surface area is two-fifth of its total surface area. What is the height(in cm) of the cylinder?(Take $$\pi = \frac{22}{7}$$)
Twice the speed of A is equal to thrice the speed of B. To travel a certain distance, A takes 42 minutes less than B to travel the same distance. What is the time (in minutes) taken by B to travel the same distance?
If $$(2x - y) : (5x + 3y) = 3 : 8$$, then $$(x^2 + y^2) : (x^2 - y^2) =$$
Two trains cross each other in 12 seconds when they travel in opposite directions and they take 60 seconds when they travel in the same direction. The possible speeds of the trains, (in m/sec). can be:
Which among the following is Sri Lanka's highest peak?
The Noida-based grocery delivery platform 'Veggie India' has been acquired by another grocery delivery firm. Name the acquiring firm.
____________ is considered as the oldest discovered Indus Valley Civilization site.
Car moving on a straight road is an example of _________ motion.
Which among the following is NOT an example of Bryophyta?