To determine the largest 4-digit number that is divisible by 88, we start with the largest 4-digit number, 9999, and divide it by 88: \[ 9999 \div 88 = 113.625. \]
Step 1: Take the Integer Part of the Quotient The integer part of 113.625 is 113.
Step 2: Multiply by 88 to Find the Largest Multiple \[ 88 \times 113 = 9944. \] Thus, the largest 4-digit number that is divisible by 88 is \(\mathbf{9944}\).





Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?