1.

Two whole numbers are such that the cube of first number exceeds the cube of second by 61 and the ratio of the numbers is 5 : 4. What is the value of larger number?1). 32). 43). 54). 6

Answer»

Let TWO number be 5x and 4X

According to the QUESTION,

⇒ (5x)3 - (4x)3 = 61

⇒ 125x3 - 64x3 = 61

⇒ 61x3 = 61

⇒x3 = 1

⇒ x = 1

∴ Largest number = 5x = 5 × 1 = 5


Discussion

No Comment Found