In the following question, one or more dots are placed in the figure marked as (A). The figure is followed by four alternatives marked as (a), (b), (c) and (d). One out of these four options contains region(s) common to the circle, square, triangle, similar to that marked by the dot in figure (A).
Problem Figure
Complete the series by replacing '?' mark.
G4T, J9R, M20P, P43N, S90L, ?
Neeraj starts walking towards South. After walking 15 m, he turns towards North. After walking 20 m, the turns towards East and walks 10 m. He then turns towards South and walks 5 m. How far is he from his original position and in which direction?
The average age of 8 men is increased by 2 yrs. when one of them whose age is 20 yr is replaced by a new man. What is the age of the new man?