CAT Question of the Day The average marks of section A students are 20% less than the average marks of section B students. On the other hand, the total marks of section A are 20% more than the total marks of section B. Thus, the number of students in section B is what percent of the number of students in section A?
| OPTIONS | | |  | 1) | 4% | | | 2) | 150% | | | 3) | 25% | | | 4) | None of these |
Tip of the Day The formula for calculating permutations is used when the order of the selected items matters while that of combinations is used when only the number of selected items matters, they may be selected in any random order. Last year's Question of the day (18-Nov-10) Fill in the blanks in the passage with the most appropriate set of words from the options for each blank.
The magnetic field _____ the Earth is surrounded _____ a region called the magnetosphere, which prevents most _____ the particles _____ the sun, carried _____ solar wind, _____ hitting the Earth.
| OPTIONS | | | | | 1) | around, by, except, of, with, by | | | 2) | about, in, of, in, alongwith, against | | | 3) | of, by, of, from, in, from | | | 4) | throughout, in, but, inside, amidst, before | | | 5) | between, by, of, of, by, for |
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