Questions

Rate of work done is _______.

The work done by centripetal force is ______.

The boundary between Earth's crust and mantle is _____.

Chernobyl disaster is the result of pollution by_____________

$$\begin{gathered} ∆ABC is similar to ∆PQR. If ratio of perimeters of ∆ABC and ∆PQR is 1:2 and \\ if PQ = 10 cm then what is the length of AB (in cm)? \end{gathered}$$

Who invented Vacuum Flask?

Which Chief Minister was awarded for the prestigious Global Agriculture Leadership Award 2017 by the Indian Council of Food and Agriculture(ICFA)?

A] The author of the novel 'The Grapes of Wrath' is Ayn Rand.
B] The author of the novel 'The Fountainhead' is John Steinbeck.
C] The author of the novel 'Ancillary Justice' is Ann Leckie.

Which of the statements given above are not correct?