Question

A Sum of Rs.800 is in the form of Rs.10 and Rs.20 If there are 50 notes How many Rs. 20 and Rs.10 notes are there​

Answer 1

Answer:

According to ASA criterion , If two angles and their included side in one triangle are equal to the two angles and their included side in other triangle, then the triangles are congruent.

So, if side AT=PN in the given two triangles.

The triangles are congruent if,

∠RAT=∠EPN

∠ATR=∠PNE

Answer 2

Answer:

Number of Rs . 20 notes = (50 - 20) = 30 .