Given:
Amount = Rs. 9,144
Time = 3 years.
Rate of simple interest = 9%
To find:
The principal value.
Solution:
The formula for simple interest is:

Where, P is principal, r is the simple rate of interest, and t is the number of years.
Putting
in the above formula, we get



We know that,



Divide both sides by 1.27, we get


Therefore, the principal value is Rs. 7200.
chile anyways so hehhejjakwkw
A. 305
b. 900
c. 46
d. 157,019
Given:
Speed limit on a highway is 110 km per hour.
Let x be the speed of the car in time 't'

time when taken for a car to travel 132km.

It takes minimum 1 hour 12 minutes