question_answer

The population of a village is 7986. During the as. three years, the population increased at the rate x 10% per year. The population before three year was?

A) 6600                

B) 5500

C) 6000                            

D) 5000

Correct Answer: C

Solution :

The population before three years was \[=\frac{7986\times 100\times 100\times 100}{110\times 110\times 110}\] \[=6000\] As, In the same way, TRUSTY\[\to 541856\]