Exams

The instrument used to determine the rotation speed of a shaft is called

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. 

To who (1)/ did you (2)/ speak last night? (3)/ No error (4)

Name the device used to connect computers for communication via telephone lines..

The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is

Two numbers are in the ratio 4:5 and their HCF is 13. Their LCM is

Which Metro Rail Corporation will lay vibration-absorbing tracks for the first time in India?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Aryabhatta was the first astronomer to state ______ that the earth is round and it rotates on its axis.

Find out the odd word/letters/number/number pair from the given alternatives.