Exams

A car moving in the morning fog passes a man walking at 4km/h. in the same direction. The man can see the car for 3 minutes and visibility is upto a distance of 130m. The speed of the car is :

In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.

NONPLUSSED

The mean of 20 observations is 19. One more observation is included and the new mean becomes 20. The 21st observation is

For photoelectric effect to take place, the metal used as the cathode should have_________

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'.

Each boy was given (A)/a toy as a parting gift,(B)/which made them happy.(C)/No error(D)

A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and there after travel 90km at 15 km/h. His average speed is

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Banter

What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?