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A three digit number X has 12 factors. How many factors will X3 have ?
Solution
A number with 12 factors will be of the form (a11) or (a2 × b3) or (a1 × b5) where a and b are prime numbers.The smallest number of the form a11 = 2048 which is a four digit number hence the number cannot be of the form (a11)The smallest...
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In the following passage there are blanks, each of which has been numbered. For each number, five words are suggested one of which fits the blank appropriately. Find out the appropriate word in each case.           Greenhouse gases are only (1) of the story when it comes to global warning. Changes to one part of climate system can (2) additional changes to the way the planet absorbs or reflects energy. These secondary changes are (3) climate feedbacks…
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