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

The mean of $x$ and $y$ is $400$, and the ratio of $x$ to $y$ is $3:7$. What is the value of $y-x$?

The deepest lake of the world is ______.

Find the cost of carpeting a $15\text{-m-long}$ and $11\text{-m-wide}$ room with a $75\text{-cm-wide}$ carpet, if the price of the carpet is ₹$13$ per meter (not considering the cost of labour).

Deepak is the father of Raj. Hema is the sister of Anil. Raj is the son of Hema. How is Deepak related to Hema?

Ram has a brother Anil. Ram is the son of Gopal. Anila is Gopal's wife. Nandu is Gopal's father. How is Anil related to Nandu?