1 out of every 5 girls and 1 out of every 8 boys chose to participate in an event organised by a college. What is fraction of students that participated in the event?
The marks of 3 students A, B and C are in the ratio 10 : 12 : 15. If the maximum marks of the paper are 100, then the marks of B cannot be in the range of 70 – 80 80 – 90 20 – 30 40 – 50
The marks of 3 students A, B and C are in the ratio 10 : 12 : 15. If the maximum marks of the paper are 100, then the marks of B cannot be in the range of
@dev30 There is only one method, as we come to know that xy=12, initially I felt that we can
(x,y) pairs can be (3,4) and (2,6) that indirectly means (39,52) and (26,78), i ignored the pair (1,12). Later I feel that (26,78) in not correct because the HCF of 26 and 78 is 26 only but we need the HCF should be 13 right?? and so only I took 13X156 will be second pair.
Finally, the 39X52 and 13X156 are the pairs..
Please let me know if am not clear..
d pair should be like this that they should be prime no. to each other..otherwise wont come hcf would be 13...:)
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