Questions

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button
corresponding to it. If the sentence is free from error, click the "No error" option.
(A) He was not able to concentrate   
(B) because of the continual music  
(C) being played next door. 
(D) No Error 

India's first official census operation was undertaken in which year?

Who invented logarithms?

Pandit Bhimsen Joshi is: ________________

Who invented Vacuum Flask?

Which of the following places is not a Middle Stone Age?

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

Which of the following is not an agency ofUN?