Dinesh sekar asked 1/26/2011 There is 7 friends (A1, A2, A3....A7).If A1 have to have shake with all without repeat. How many handshakes possible?
Dinesh sekar asked 1/26/2011 A girl has to make pizza with different toppings. There are 8 different toppings. In how many ways can she make pizzas with 2 different toppings? A) 16 b) 56 c) 112 d) 28
Dinesh sekar asked 1/23/2011 Leena cut small cubes of 10 cm dimension each. She joined it to make a cuboid of length 100 cm, width 50 cm and depth 50 cm. How many more cubes does she need to make a perfect cube?
