If mean of the data 11, 17, x + 1, 3x, 19, 2x-4, x + 5 is 21, then find the mode of the data.A15B19C11D17Answer: B. 19 Read Explanation: 11+17+x+1+3x+19+2x−4+x+57=21\frac{11+17+x+1+3x+19+2x-4+x+5}{7}=21711+17+x+1+3x+19+2x−4+x+5=2149+7x7=21\frac{49+7x}{7}=21749+7x=2149+7x=21×749+7x=21\times 749+7x=21×77x=987x=987x=98x=14x=14x=1411,17,15,42,19,24,1911,17,15,42,19,24,1911,17,15,42,19,24,19mode19=2nos19=2 nos19=2nos Read more in App