# A puzzle on Facebook (Source: XAT-2013)

January 25th, 2013 by

Sara has just joined Facebook. She has 5 friends. Each of her five friends has twenty five friends. It is found that at least two of Sara’s friends are connected with each other. On her birthday, Sara decides to invite her friends and the friends of her friends. How many people did she invite for her birthday party? (A)  ≥ 105  (B) ≤ 123        (C) ≥ 125        (D) ≥ 100 and ≤ 125 (E) ≥ 105 and ≤ 123 Solution:  The key point: “Each of Sara’s 5 friends has twenty five friends” => Sara is one among these 25 friends.

# Pay by Cash for CAT Online Courses

January 12th, 2013 by

So here is a cool thing that we have done on Handa Ka Funda – we are now accepting cash payments for online courses. I know that it sounds a little old fashioned and some of us (not pointing fingers towards Rohit Iyer) were initially against the idea but then again – it is just one more option for the student. Obviously, the online versions of payment like credit-card, debit-card and net-banking are available. The list of cities in which the option to pay by cash is available are: Ahmedabad, Bangalore, Chandigarh, Chennai, Faridabad, Ghaziabad, Gurgaon, Hyderabad, Kolkata, Mumbai, Navi Mu