The ratio of 12m : 15 km : 20 m can be simplified as _______
6 : 3750 : 10
6: 7500 : 10
3: 375 : 5
3 : 3750 : 5
15 km = 15×1000= 15000 m
12m : 15 km : 20 m
= 12 m : 15000 m : 20 m
= 12 : 15000 : 20
Divide each term of the ratio by 2 . we get ..
= 3 : 3750 : 5
The simplified ratio of 12m : 15 km : 20 m is :-
If Rs. 3750 amount to Rs. 4620 in 3 years at simple interest. Find (i) the rate of interest (ii) the amount of Rs. 7500 in 512 years at the same rate of interest