________ aid(s) in the emulsification of

Z is in which direction with respect to R?

I. Q is 4 km towards north of R. S is 8 km towards west of Q. Z is 4 km towards north of Q.

How many sons does S have?

I. U is mother of S’s son Q, who has two sisters F and E.

Five person P, Q, R, S and T all are sitting around a circle. Who are sitting around the circular table facing towards the centre?

Seven boxes H, I, J, K, L, M and N are kept one above another in a stack from bottom to top. How many boxes are kept between K and I?

There are six members G, H, I, J, K, L in the family of three generations. There are couples in each generation of the family. How is G related to K?

Six persons A, B, C, D, T and U have different marks in a class test. Who has 2nd highest marks?

A, B, C, D , E and F are sitting around a circular table facing the center. Who sits in front of C?

How many days did Lalit take to complete his project?

1. How many of them has given the lecture before C?