If sin A - cos A = 3/7, then find value of sinA + cos

Statements: K ≤ L, L = M, M < N

Conclusion: I. N > L II. M ≥ K

Six boxes F, G, H, I, J and K have different weights. Who among the following is heaviest?

Eight persons K, L , M, N, O, P, Q and R are seated around a circular table facing the centre. Who is opposite P?

Home of ‘P’ is in which direction with respect to home of ‘Q’?

Point Q is towards which direction with respect to N?

I. Point N is to the west of point U, Which is to the south of point S

What is Teena’s rank from the top in the class?

Statement I:Teena’s rank is exactly between Harish’s and Shobhit’s rank. 

Statements: M > N, M > P, O = N

Conclusions: I. P > M II. O < M

Out of five members (P, Q, R, S and T) of a family, how many members are males?

I. P is father of T, whose only son is R.

II. T has two sisters, Q and S.

How is R related to Q?

I. A is wife of one of the sons of T and mother of Q who is grandson of R.