It’s should be letter A for it
<h2>3x4x5=60cms </h2><h2>60cm is the correct answer to the question </h2>
Let, snake catches the mouse in t hours. Till then mouse is travelling from
( t + 1.5 ) hours.
Distance, travelled by mouse in t hours is,
.
To catch the mouse snake had to travel the same distance d in t hours.
So,

Therefore, snake will catch mouse in 1.5 hours.