TNUSRB SI 2010 Official Paper (Held on 04 July 2010)

Aruna cuts a cake into two halves and cuts one half into smaller pieces of equal size. Each of the small pieces is twenty grams in weight. If she has seven pieces of the cake in all with her, how heavy was the original cake?

If the place of two digits of a number is changed to each other, then the new number increases 18 from the original old number. What was the original number?

A group of 1200 persons consisting of Captains and Soldiers are travelling in a train. For every 15 Soldiers, there is one Captain. The number of Captains in the groups is

In a chess tournament each of the six players will play with every other player exactly once. How many matches will be played during the tournament?

In a group of cows and hens, the number of legs are 14 more than twice the number of heads. The number of cows is ___________