The least positive number, which must be added to the greatest number of 4 digits in order that the sum may be exactly divisible by 307, is:

Correct option is B

Given:

Greatest 4-digit number = 9999

Divisor = 307

Solution:

Divide 9999 by 307 to find the remainder

9999 $$\div$$ 307 = 32 with a remainder of 175

9999 = 307 $$\times$$​ 32 + 175

Number to add = 307 - 175 = 132

$$\boxed{( 132)}$$​