Problematics | How to bring equality to two unequal piles
Hindustan TimesThis will be familiar territory for regular readers: someone is playing a party trick, and you figure out why the trick works. Although the figure shows six face-up cards out of 20, that’s just an illustrative example; the number of face-up cards in this subset can be anything between 0 and 20. His hands still under the table, the trickster says: “I don’t know how many cards are face-up among the 20 you gave me, nor how many are face-up among the 32 still with you. Mailbox: Last week’s solvers #Puzzle 45.1 If one cow eats 1 unit of grass in one day, 70 cows in 24 days will eat 70 x 24 = 1,680 units, and 30 cows in 60 days will eat 30 x 60 = 1,800 units. — Shruti M Sethi, Ludhiana Solved both puzzles: Sunita & Naresh Dhillon, Shruti M Sethi, Amardeep Singh, Ajay Ashok, Gaurav Kabir Gupta, Dr Sunita Gupta, Abhishek Garg, Yadvendra Somra, Kruti Marthak, Sabornee Jana, Anil Khanna, Hurditya Dand, Geeta Arora, Rahul RB, Prakash Bhate, Sachin Gupta, Ekansh Singh, Mahipal Singh, Amar Lal Miglani, Kanwarjit Singh, Jawahar Lal Aggarwal, Subrata Chakraborty, Rajender Parsad Agarwal, Shri Ram Aggarwal, Navneet Singh Jasrotia, Vinod Mahajan, Madhuri Patwardhan, Vaibhav Aggarwal, Vivek Aggarwal, Shishir Gupta, Sandeep Bhateja, Akshai Bakhai, Saurish Seksaria, Prof Anshul Kumar, Akshay Khanna, Yash Chillar, Shankar Subramanian, Ravish Iyer, Sri Ramachandra Sai Bapatla, Bipin Das, Aziza, Chitra Nitsure, Narendra Prasad, Nipun Kumar & Pooja Thakkar, Sonia Jain, YK Munjal Solved #Puzzle 45.1: Jobin Babu, Vikas Nanda, Sanghamitran, Aryan Kumar, Dipanjan Kajuri, Mahi Dutt Solved #Puzzle 45.2: Fateh Pal Singh Malhi, GV Ravishankar, HP Choudhury, Umesh CS Bisht, Geetansha Gera, Shriya Seshia, Navneet Rathi, Yana Kapoor, Sanjay Bhatia, Neeraj Kumar, Saarth Karkera, Joydeep Mahato Problematics will be back next week.