The question asks to identify a native Indian dynasty known for issuing coins featuring portraits of their rulers. Numismatic evidence is key here.
Therefore, the Satavahana Dynasty is the correct answer as they pioneered and widely adopted the practice of depicting ruler portraits on their issued coins in ancient India.
What is the sum of the angle complementary to $15^\circ$ and the angle supplementary to $125^\circ$?
In the given figure, AB is parallel to CD and RS is a transversal. Find the value of X.

Two parallel lines are intersected by a transversal, the corresponding angles are:
If l, m, n are lines such that, l is parallel to n and m is parallel to n, then, ______
There are three points P, Q and R on a straight line such that PQ : QR = 3 : 5. If n is the number of possible values of PQ : PR, then what is n equal to ?
Two cars start from a point at the same time and travel on two different roads at right angles to each other. Their speed is 18 km/h and 72 km/h respectively. What will be the distance between them after 6 seconds?
If angles of a triangle are in the ration of 2 : 3 : 4, then the measure of the smallest angle is: