Question
Find the angle between the lines whose direction ratios
are a, b, c and b − c, c − a, a − b.Solution

If it is given that 1PS, 3TS and TQ2, is P greater than Q?
I. 1XY means X is not smaller than Y. XY1 means X is not greater than Y.
II. 2X...
Six persons (D, E, F, G, H, and I) are participating in a race. Which of the following statement is redundant to find which person wins the race?
Seven persons T, U, V, W, X, Y and Z are living in seven different floors. Ground floor is numbered as one and the above floor is numbered as two and s...
A question is given, followed by two statements I and II. Select which of the statement(s) is/are sufficient to answer the question.
Question: Ho...
Seven persons A, B, C, D, E, F and G are attending the interview on six different days starting from Monday to Sunday in a week but not necessarily in ...
What is the code for ‘auto’ in the code language in which ‘giant segment the spot’ is written as ‘sag map pap rap’?<...
J, K, L, M and N are sitting around a circular table, facing the centre. Who is on the immediate left of L?
I. J sits between K and N. L is on th...
Five persons D, E, F, G, and H are attending the seminar on five different days of the same week starting from Monday to Friday. G attends the seminar o...
How is E related to I?
I. B is mother of C, who is sister of D. E is son of D.
II. G is mother of F, who is brother of E. H is granddaught...
Five persons L, M, N, O and P are sitting in a row facing south. Who is second to the right of L?
I. P sits third to right M. L is not an immedia...