CAT Question of the Day Arrange the jumbled sentences in order: - They can form separate parts of some elementary particles but if they are mixed together both are destroyed instantaneously.
- After discovering a long-sought elementary particle called the Higgs boson last summer, the giant collider run by CERN, is currently being upgraded to nearly double its power by 2015.
- The first observation that particles can decay unevenly into matter and antimatter won two scientists at Brookhaven Laboratory in New York a Nobel Prize in 1980.
- Matter and antimatter are almost identical, with the same mass but opposite electrical charges.
| OPTIONS | | |  | 1) | DABC | | | 2) | ACBD | | | 3) | CABD | | | 4) | DACB |
Tip of the Day Make it a point to be abreast of current affairs while preparing for GD/PI – read one daily newspaper with the business section, and if possible a business newspaper as well. Last year's Question of the day (10-Aug-12) Let n be a positive integer. Let k be the number which needs to be subtracted from n to get the nearest perfect square less than or equal to n and let l be the number which needs to be added to n to get the nearest perfect square more than or equal to n.
If (n – kl) has p number of factors then which of the following is definitely true?
| OPTIONS | | | | | 1) | p must be a prime | | | 2) | p is square of an odd number | | | 3) | p2 is of (4k + 1) type | | | 4) | None of the above |
| 
Comments
Post a Comment