NIELIT 2020 : Revision Quiz 35

The average of twelve numbers is 45.5. The average of the first four numbers is 41.5 and that of the next five numbers is 48. The 10^th number is 4 more than the 11^th number and 9 more than the 12^th number. What is the average of the 10^th and 12^th numbers?

A boat covers 12 km upstream and 18 km downstream in 3 hours while it covers 36 km upstream and 24 km downstream in , what is the velocity of the stream?

Find the highest power of 175 which divides 344!?

Find the No. of zeroes at the end of 2⁷ × 3⁵ × 5⁸ × 7⁵ × 8³ × 10⁵

The prefix of (A+B)*(C-D)/E*F

Let E1 and E2 be two entities in an E/R diagram with simple single-valued attributes. R1 and R2 are two relationships between E1 and E2, where R1 is one-to-many and R2 is many-to-many. R1 and R2 do not have any attributes of their own. What is the minimum number of tables required to represent this situation in the relational model?

A decimal has 25 digits. The number of bits needed for its equivalent binary representation is approximately.

If A and B be two arbitrary events, then

What is dispatch latency?

If the time quantum of Round Robin scheduler is at least the longest CPU burst time of all processes, then ?