Verbal Reasoning - Mental Ability Questions

A man starts from point 'O', travels 20 km towards east to reach point 'A', turns right and travels 10 km to reach point 'B', turns right and travels 9 km to reach point 'C', turns right and travels 5 km to reach point 'D', turns left and travels 12 km to reach point 'E' and then turns right and travels 6 km to reach point 'F'.

What is the shortest distance between point 'E' and point 'C'?

In the following question, correct the equation by interchanging two signs.
4 – 10 x 5 + 9 ÷ 3 = 51

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. PR, VX, BD, ?

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

xy_kx_zk_yzk xyz_ _

In the following question, select the number which can be placed at the sign of ? from the given alternatives.

Of the six members of a panel sitting in a row, A is to the right of C, but left of B. E is sitting left of C and right of D, who is sitting to the right of F. Find the members sitting at the two ends of the row.

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

L, N, Q, S, V, ?