If 35% of k is 20 less than 3000% of 10, then k is:

Correct option is A

Given:

35% of k is 20 less than 3000% of 10

Find: (k)

Solution:

35% of k = 3000% of 10 - 20 

0.35k = $$\frac{3000}{100}\times$$​10 - 20 

0.35k = 300 - 20 = 280

k = $$\frac{280}{0.35}$$ = 800