NIELIT 2020 : Revision Quiz 42

The LCM and HCF of two consecutive even numbers are 84 and 2, respectively. Find the sum of reciprocals of these two numbers.

On M.G Road, three consecutive traffic lights change after 18, 63 and 72 seconds, respectively. If the lights are first switched on at 10:00 A.M. sharp, at what time will they change simultaneously?

Sarvesh started a business with very little capital. In the first year, he earned a profit of 60% and donated 50% of the total capital (initial capital + profit) to a charitable organisation. The same course was followed in the 2^nd year. In 3rd year his profit declined to 50% but his donation was same as 50% of total capital. If at the end of three years, he is left with Rs. 60,000, then find the capital at the end of the 1^st year.

Mishra Ji sold his scooter to Gupta Ji at 25% loss. Gupta Ji spent Rs. 3250 on its repair and sold it at Rs. 25300 for 15% profit. What was the cost price of the scooter for Mishra Ji?

The recurrence relation capturing the optimal time of the Tower of Hanoi problem with n disks is.

Protocols in which the sender sends one frame and then waits form an acknowledgement before proceeding are called __________

By Default Router is: