Question
Consider a B+-tree in which the maximum number of keys
in a node is 5. What is the minimum number of keys in any non-root node?Solution
Assuming order of B+ tree as p, maximum number of keys will be (p – 1). As it is given that, p – 1 = 5 => p = 6 Therefore, minimum number of keys: ceil(p/2) – 1 = 2
Find the third proportion of √ 2, √ 7 and √ 21.
Some amount was divided among A, B and C in the ratio 2:3:5. If the share of A is 30 less than share of C, then find the 1/5th of total amount (in Rs).
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70 percent of first number is equal to 50 percent of the second number. What is the respective ratio of the first number to the second number?
Four numbers ‘W’, ‘X’, ‘Y’ and ‘Z’ are such that ‘W’ is double of ‘X’, ‘Y’ is half of ‘X’, and ‘Z’ is the average o...
The ratio of the marks obtained by Priya, Neha, and Riya is 4:7:9 respectively. Sheetal scored 5 marks less than Neha. If the difference between Riya’...
Find the fourth proportion of (2k - 2), (4k - 4) and (6k - 6). (Note: 'k' is the largest single-digit prime number.)
Ratio of males to females in village ‘A’ and village ‘B’ is 4:5 and 19:20, respectively and number of females in village ‘B’ is 25% more tha...
