Puzzle of The Week


Dashed lines mean add, and solid lines mean multiply.

For example, two dashed lines point from ? and \large 3, so we add those numbers together to fill in the circle they point at.

What number must go in the yellow marked circle?

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Pankaj jha is the founder of makeageek.com. He did his schooling in London at Claremont high school where he did his A levels. He has two master's from Marquette university in Wisconsin and Columbia university in New York where he also did a PhD.(ABD) in Applied mathematics. Subsequently, he went to work in Wall Street for top investment banks like Lehman Brother, Citigroup and JP Morgan and RBS at the Director and Managing Director Level in Quantitative Finance.. After living in the US for 22 years he returned to India in 2012. Having young children of his own he is passionate about helping kids achieve the very best.


Dr. Aniruddha Weling

B Tech. IIT Mumbai

PhD. Columbia University

Dr. Vikas V. Gupta

B Tech. IIT Mumbai

PhD. Columbia University

Dr. Charanjit S. Jutla

B Tech. IIT Kanpur

PhD. University of Texas at Austin