CAT 2023: Toughest Quant Section in 5 Years, says Arun Sharma, Author of 5 Best-Selling Books on CAT Preparation; Check his CAT 99% Predictions Read more about CAT 2023: Toughest Quant Section in 5 Years, says Arun Sharma, Author of 5 Best-Selling Books on CAT Preparation; Check his CAT 99% Predictions