If two numbers are in the ratio 4 : 7 and the sum of their cubes is 407000, then the greater number will be:
Answer & explanation
Correct answer: option 1
Ratio of two numbers is = 4 : 7
ATQ ,
(4R)3 + (7R)3 = 407000
64R3 + 343R3 = 407000
407R3 = 407000
R = 10
So , greater number is = 7R = 70