Challenge No. 113: Consider the IDs in the question table.
Solved using:Excel (DROP, IF, LAMBDA), Google Sheets, Power Query (List.Transform, Table.AddColumn, Table.AddIndexColumn), Python, Python in Excel, and R.
VSTACK
Stacks arrays vertically into a single column in Excel.
Compare Rows! Part 2
Challenge No. 111: In the historical sales table, extract the dates where the total sales value is greater than the total on the previous date
for example, in 2/1/2024 total sales were 14 and is greater than total sales on 1/1/2024 which is 11.
Solved using:Excel (DROP, FILTER, IF), Google Sheets, Power Query (Table.Group, Table.SelectRows), Python, Python in Excel, and R.
Convert Strings to Morse
Challenge No. 125: Convert given strings into Morse codes.
Solved using: SQL.
Reconciliation!
Challenge No. 110: After reconciling the company’s bank transactions with the records in the financial department, discrepancies were found between 5 rows of bank transactions and 7 rows of financial records.
Solved using: Excel.
Matching Tables!
Challenge No. 107: In a survey, 10 questions were asked to both
a manager and an expert, and they responded
to some of them.
Solved using:Excel (CHOOSECOLS, FILTER, HSTACK), Google Sheets, Power Query (List.PositionOf, List.Transform, Table.AddColumn), Python, Python in Excel, and R.
Sort Planets and Data
Challenge No. 113: Sort the planets first and then sort the data in respective rows
Note – I have updated the file but picture will continue to show wrong data.
Solved using: Python in Excel.
Count Palindromes in Range
Challenge No. 107: Palindrome numbers are those which are same even when read from backwards.
Solved using: Python in Excel.
Find max finals gap for
Challenge No. 29: — This week is FIFA world cup challenges —
If a country has appeared more than once in finals, find the maximum gap in years for next – previous appearance for that country.
Solved using: SQL.
Generate Fibonacci Strings
Challenge No. 104: Generate n Fibonacci strings for given first two terms.
Solved using: SQL.
Pivoting Data
Challenge No. 22: Pivot the Customer’s table
Create a Total for each Month
Dynamic array function allowed but Extra marks for Legacy solutions or PowerQuery Solution.
Solved using: R.