Consider the following statement:
1. If both the terms of a ratio are multiplied or divided by the same natural number, then the ratio remains unaltered.
2. A statement which states that two ratios are equivalent is called proportion.
c. If 4 quantities are in proportion, the product of extremes is not equal to the means.
4. The mean proportion between any two numbers is equalto the square root of their product. The wrong one statements is /are:

Options

A. 1
B. 3
C. 3 and 4
D. 1 and 4

Answer

C