Question

If $1,2,3,4,5,6,7,$ are numbers then $Q_1$ & $Q_3$ are respectively.

• A. $2,4$
• B. $2,6$
• C. $4,6$
• D. $3,5$

Answer 1

Answer: (B)

$2,6$

The given numbers are,

$1,2,3,4,5,6,7$

Number of observation $\left(N\right)=7$

$Q_i={\{i.\left(\frac{N+1}{4}\right)\}}^{th}term$

$Q_1={\left\{1.\left(\frac{7+1}{4}\right)\right\}}^{th}term=2^{nd}term$

$2^{nd}term=2$

$\therefore$ $Q_1=2$

Now, $Q_3={\left\{3.\left(\frac{7+1}{4}\right)\right\}}^{th}term=6^{th}term$

$6^{th}term=6$

$\therefore$ $Q_3=6$