Verbal Reasoning - Mental Ability Questions

If 9 * 2 * 5 = 23 and 1 * 4 * 8 = 29, then 1 * 6 * 3 = ?

A plane flies 100 km West, then it turns South and flies 150 km, then it turns West and flies 300 km, then it turns to its right and flies 150 km. Where is it now with reference to its starting position?

In a certain code language, "INSTANT" is written as "IOUWESZ". How is "FORGET" written in that code language?

If A denotes '+', B denotes '­', C denotes 'x' and D denotes '÷', then which of the following statement is true?

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

72, 65.7, ? , 53.1, 46.8

In the following question, correct the equation by interchanging the two signs.
6 ÷ 17 x 51 + 6 – 12 = – 4

If 3*1 = 20, 6*1 = 50 and 2*6 = -40, then find the value of 5*8 = ?