CAT 2009 Results Declared, Check Now !
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in qn.8 its is given that 84 is a multiple of 3, so whatever is d remainder of 7^3,the same is for 7^84...but 84 is also a multiple of 4..and according to cyclicity rule, the multiple of 4 repeats and not multiple of 3...so y 7^4 is not the answer? infact it is not even an option!!
there is a question of how much zeros at the end of 100 !...the solution has been given. but still i am not getting why is it so ???
swapnil1188: yup its a gud questn .,.fr the simpl soltn coz evry one will say its 2 bt its nt corect.,.,the ans will be10 to power 0 nikhil821: its very simple just divide 100! by 5 consecutively till quotient is greater than 5 abhinav9672: nikhil821: dude v need to divide 100! by 5 o wht??? its a lengthy process!!! any ways wht wud b t answer for this 1?
hii... 2 of the questions have the explanations correct and the answers with them but it shows a red mark on the correct answers. Please check it because marks have been deducted even when right answers have been ticked.
Your Explanations to some of the question are not satisfactory or may be wrong. So i request u to please go across them & correct them.
soln of q no 4 and 10 are answere with wrong options,so plz check it out and do the improvement in answer
some solutions are wrong. plz check
pankaj7730: Yes some Questions are explained with wrong option as answer. Please correct if possible
the solutions provided here for the questions are wrong. some are correctly explained and some are wrongly. some are not related to the questions. please do the needful to remove this problem
ther's a que ,dat which number shud be subtracted ...... so dat d remainder is 4 d answer is 172,,4 sure,,,,,if u deduct 172 4m 1856 ,,dan d number id definately divisble by7,12,16 leavng a remainder 4,,,,solv it pls,,,,i wasted 20 mins again on dis que,,,so pz revise dis que
YA THE QUESTIONS NUMBERS 4 AND 10 IN THE REFRESHER TEST WERE GIVEN WRONG ANSWERS. PLS CHECK IT ONCE AGAIN.
there are some answers incorrect in tests i was prety sure that i hv marked the right one but they went wrong. i am even unable to covinced with the given explainations....
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