Here are the top LeetCode problems frequently asked by Google:

• 224. Basic Calculator
• 806. Number of Lines To Write String
• 1825. Finding MK Average
• 772. Basic Calculator III
• 88. Merge Sorted Array
• 9. Palindrome Number
• 2. Add Two Numbers
• 15. 3Sum
• 283. Move Zeroes
• 22. Generate Parentheses
• 27. Remove Element
• 68. Text Justification
• 5. Longest Palindromic Substring
• 26. Remove Duplicates from Sorted Array
• 312. Burst Balloons
• 151. Reverse Words in a String
• 198. House Robber
• 349. Intersection of Two Arrays
• 398. Random Pick Index
• 2354. Number of Excellent Pairs
• 1800. Maximum Ascending Subarray Sum
• 56. Merge Intervals
• 806. Number of Lines To Write String
• 1825. Finding MK Average
• 200. Number of Islands
• 136. Single Number
• 167. Two Sum II - Input Array Is Sorted
• 189. Rotate Array
• 28. Find the Index of the First Occurrence in a String

Note: Data is gathered from hundreds of real candidates' interview experiences and is updated monthly to ensure accuracy and timeliness.