Class 12th

Directions for questions:  Answer the questions on the basis of the information given below.

The table given below shows the number of followers of 5 sportspersons and bar graph shows the number of followers of 3 actors on a social media platform .i.e. twitter.

If the number of followers of Mary Kom increased by 30% of the given value, the top sports person followers are what percent more or less than the new number of followers of Mary Kom?

Which of the following condition or reaction sequence will NOT given acetophenone as the major product?

In the given reaction

The bar graph given below shows the profit earned by 5 PSU's from 2017 to 2021

In which year the profit of P3 is the maximum?

The bar graph given below shows the profit earned by 5 PSU's from 2017 to 2021

In how many years the P5  profit has not decreased in comparison to the previous year?

The bar graph given below shows the profit earned by 5 PSU's from 2017 to 2021

In which period was the change in P5 profit is maximum?

Directions: Answer the questions based on the following Graph.

The bar graph given below shows the profit earned by 5 PSU's from 2017 to 2021

In which year was the increase in P1 profit is maximum?

Amongst the following, the major product of the given chemical reaction is 

 

The value of   $\underset{n\to \infty }{lim}\frac{1}{n}{\displaystyle \sum _{r=0}^{2n-1}\frac{n^2}{n^2+4r^2}is:}$

Let $\overrightarrow{a}=\widehat{i}+\widehat{j}+\widehat{k}and\overrightarrow{b}=\widehat{j}-\widehat{k}.If\overrightarrow{c}$  is a vector such that $\overrightarrow{a}*\overrightarrow{c}=\overrightarrow{b}and\overrightarrow{a}.\overrightarrow{c}=3,$  then $\overrightarrow{a}.\left(\overrightarrow{b}*\overrightarrow{c}\right)is$ equal to