Question

) A lends 30% of sum at 30% p.a. 50% of sum at 14% p.a. and the remaining sum at 12% p.a. rate of interest. What would be the rate of interest, if the interest is calculated on the whole sum? ​

Answer 1

Answer:

56% p.a.

Step-by-step explanation:

30% =30%

50% =14%

20% =12%

100% =56%