The average marks of 50 students in a class was found to be 64. If the marks of two students were incorrectly entered as 38 and 42 instead of 83 and 24, respectively, then what is the correct average?

Select the option in which the words share the same relationship as that shared by the given pair of words.

Barometer : Pressure

Select the option in which the words share the same relationship as that shared by the given set of words.

Cat : Lion : Jaguar

'Needle' is related to 'Sew' in the same way as 'Microscope' is related to '...........' .