1.)
If n is an integer and n = 2*3*5*7*11*13/77k
then which of the following could be the value of k?
________________________________________
Correct Answer
22 3%
26 81%<------Correct
35 12%
54 1%
60 3%
It seems like this is an easy problem(81% got correct) but I do not know the shortcut?
2.) DS Question
Who got the highest marks among Abdul, Baig and Chiman?
(1) Chiman got half as many marks as Abdul and Baig together got.
(2) Abdul got half as many marks as Baig and Chiman together got.
Answer "C"
My soln: (A)dbul= 1/2(B+C) (C)himan= 1/2(A+B)
A+B+C=0
1/2B + 1/2C + B + 1/2A + 1/2B
2B + 1/2C + 1/2A = 0
Which got highest marks? "Baig"??
3.) DS Question
Given that side AC of triangle ABC is 2. Find the length of BC.
(1) AB is not equal to AC
(2) Angle B is 30 degrees.
Thank you in advance. :)