Frederick W.Taylor introduced a system of working know as  

Who is the scientist who discovered that the value of  is 22/7? 

The hardest rock is 

Autocratic leadership is also known as 

Choose the figure which is different from the rest. 

Which nation has won the title of ICC T20 World Cup Asia Zone Qualifier 2023? 

The portion of soil passing through 75 micron sieve during washing contains  

When was SAARC established?