6.The sum of 2n terms of the series {1²-2²+3²-4²+.........} is

7.A number when divided by 136 leaves 36 as remainder.If the same number is divided by 17,the remainder will be

8.In an examination,a student is awarded 4 marks for every correct answer and loses 2 marks for every wrong answer.If a student attempted all 75 questions and secured 150 marks,the number of questions he attempted correctly is

9.He was the first person to take 200 wickets in one-day cricket at the international level.

10.Match the missiles in List-I with the names in List-II and select the correct answer using the codes given below the Lists : List I List II a)Intercontinental Ballistic Missile 1.Prithvi b)Short-range Surface-to-surface Missile 2.Nag c)Surface-to-air Missile 3.Agri II d)Anti-tank Missile 4.Trishul