Question

Guys please help..

I have 2 questions, please help with both

1. Find the Time in years if Principal, p= 6500, Rate (p. a)= 7% and Simple Interest, SI = Rs . 1365

2. If 80% of the students of a class of 40 students like Mathematics, then the number of students who do not like it is _______

Please answer soon

Answer 1

1. I=P*i*t

1365=6500*7%*t

1365=455*t

t=3

2.-Students 40

Like mathematics

= 40*80

=32

Don´t like it is

=40-32

=8

Explanation:

1. I=P*i*t

1365=6500*7%*t

1365=455*t

t=3

2.-Students 40

Like mathematics

= 40*80

=32

Don´t like it is

=40-32

=8