Find when and

Question

Find when and

Philoid · Accepted Answer

<img w='446' height='25' src='https://static.philoid.co/ncertusercontent/solutions/images/PROJ23311/1542177762128989.png' style='vertical-align: center;'> <img w='196' height='25' src='https://static.philoid.co/ncertusercontent/solutions/images/PROJ23311/1542177762856252.png' style='vertical-align: center;'> <img w='68' height='23' src='https://static.philoid.co/ncertusercontent/solutions/images/PROJ23311/154217776359523.png' style='vertical-align: center;'> <img w='133' height='25' src='https://static.philoid.co/ncertusercontent/solutions/images/PROJ23311/1542177764317871.png' style='vertical-align: center;'> <img w='271' height='25' src='https://static.philoid.co/ncertusercontent/solutions/images/PROJ23311/1542177765066383.png' style='vertical-align: center;'> <img w='59' height='25' src='https://static.philoid.co/ncertusercontent/solutions/images/PROJ23311/1542177765800872.png' style='vertical-align: center;'>.