Which ratio is larger in the following pairs?
12:14 or 16:18

Which one in each of the following pairs is larger in size? S^(2-) , Cl^(-) .

Which one in each of the following pairs is larger in size? C^(4-) , F^(-) .

Which one in each of the following pairs is larger in size ? Na, Al

Which one in each of the following pairs is larger in size ? Na, Mg ^+2

Which one in each of the following pairs is larger in size ? Fe^2+', Fe^3+

Express the following ratios in their simplest form 16:20

Which of the following pairs are co-prime? (i)18 and 35, (ii) 216 and 215

Find the mean deviation about the median for the following data: 13, 17, 16, 11, 13, 10, 16, 11, 18, 12, 17.

Find the mean deviation about the median for the following data 13,17,16,11,13,10,16,11,18,12,17