Question

q.no. 3 with solution

Answer 1

1/6 hour.means 10 minutes
1/4 hour means 15 minutes
1/3 hour.means 20 minutes
so the.sequence goes like this....
10,15,20. ....
it looks that it is in AP
now common difference is 5
so the further sequence will be
10,15,20,25,30
on 4th day he.will read 25 minutes
on 5 th day he will read 30 minutes i.e 1/2 hour