If x+y+z=0,then x2/yx + y2/zx + z2/xy equal
A.  0 
B.  1 
C.  2 
D.  3 
Option: D Explanation :
x^{2}/yx + y^{2}/zx + z^{2}/xy Click on Discuss to view users comments. Devanshu said: (4:20am on Friday 1st July 2016)
Let x=2 y =1 z=1 then x y z=0 but RHS is  3?????Btw if x y z = 0 then x^3 y^3 z^3=3xyz???? I think it should be  3xyz then ans satisfied

Average age of a committee of seven trustees is the same as it was five years ago, a younger man having been substituted for one of them. How much younger was he then trustee whose place he took?
A.  32 years 
B.  35 years 
C.  33 years 
D.  34 years 
Option: B Explanation :
Increase after 5 years should have been 7 x 5 = 35 years. Click on Discuss to view users comments. 
What is the least number which must be subtracted from 1936 so that the remainder when divided by 9, 10, 15 will leave in each case the same remainder 7?
A.  32 
B.  53 
C.  46 
D.  39 
Option: D Explanation :
L.C.M. of 9, 10 and 15 = 90 Click on Discuss to view users comments. nidhi said: (5:20pm on Wednesday 19th August 2015)
from where 9x21 46 comeshow 39 is the right answer
sudeep said: (5:53pm on Monday 28th November 2016)
L.C.M of 9,10,15=901936Ã·90=21. and remainder 46.but remainder is always 7,so 467=39.

What is the maximum sum of the series 60, 58, 56, 54, 52, ?
A.  840 
B.  880 
C.  930 
D.  1120 
Option: C Explanation :
Since d = 2, maximum sum of the series will be sum of all the positive terms. Click on Discuss to view users comments. 