NIELIT 2020 : Revision Quiz 34

A trader purchased an item marked at Rs 50000 with 10% and 20% discount on it. He then spent Rs 4000 on its repair and sold it for Rs 50000. What was his gain/loss percent?

If 2a² – 7ab + 3b² = 0, then find the value of a : b.

The cost price of 25 articles is the same as the selling price of x articles. If the profit is 56.25%, then the value of x is

A train takes 3 hours less for a journey of 560 km, if its speed is increased by 24 km/h from its usual speed. How much time will it take to cover a distance of 308 km at its usual speed?

The mean of following probability distribution is

If A and B are independent events and P(A) = 0.3 and P(B) = 0.6, then P(A ∩ B) equals

Point out the correct statement.

Which of the following impose additional overhead on clients and offer faster transfer?

Which of the following is not a data transfer technique?

A microcontroller at-least should consist of: