RRB NTPC 2019 CBT 1 Question Paper (7-Apr-2021) (Shift 2)

Read the given data and answer the question that follows. $$2,5,15,25,20,12,8,7,6,16,21,17,30,32,23,40,51,15,2,9,57,19,25$$
If the given data is grouped in the classes $0\text{–}5$, $5\text{–}10$, $10\text{–}15$, and so on, then what will be the frequency of the class $20\text{–}25$?

The Headquarter of International Renewable Energy Agency is situated at ______

Five persons Bhanu, Chavvi, Neel, Kunal and Deepika are sitting around a circular table. All are facing the centre. Bhanu is to the right of Chavvi. Neel is to the left of Deepika and between Kunal and Deepika. Who is to the left of Kunal?

If $\frac{\sqrt{5}-1}{\sqrt{5}+1}=a+b\sqrt{5}$, then find the value of $a$ and $b$.

Who among the following was the Speaker of the Second Lok Sabha?