Select the pair which has the following type of relationship: Circle : Circumference

A device classifies numbers according to the following criteria. The number must have: (A) The number has five digits. (B) First and last digits are perfect squares. (C) The middle digit is an odd number and it is the addition of first and last digits. (D) Second and fourth digit…

Find the odd one among the following:

144 is related to 77 in the same way as 168 is related to _____.

Six students P, Q, R, S, T and U are sitting around a hexagonal table, each at one corner and facing the center of the hexagon. P is second to the left of U, Q is neighbour of R and S. T is second to the left of S. Who is on the right of R?

B, C, D, E, G, H are six persons sitting in a row, not necessarily in the same order. Two persons are sitting between C and G. C is placed to the immediate left of B. D is the first one in the row. C and H are not sitting together. Which one/ones of the following represent/s the…

Complete the sequence: 24, __, 48, 63

Complete the series: FAQ, AQF, ___, FAQ, AQF

A is the sister of B's father-in-law. A and C are siblings. D is the husband of B. How is D related to A?