Find the wrong term in the following number series. 900 360 120 30 6 1

Check the pattern: 900 / 2.5 = 360, 360 / 3 = 120, 120 / 4 = 30, 30 / 5 = 6, 6 / 6 = 1. The pattern should be divide by increasing integers (2, 3, 4, 5, 6). But 900 / 2 = 450, not 360. If the series started with 1000: 1000/2.5=400 (close), or if first term was 900 and divisor was 2.5 (not consistent). The wrong term is 900 - it should be a number that when divided by 2.5 gives 360, which is 900, but the divisor should be 2 (not 2.5) for consistency. Option C is correct.