Verbal Reasoning - Mental Ability Questions

Select the missing numbers from the given alternatives

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

7 ÷ 10 - 15 + 6 x 18 = ?

If 5Δ1 = 40, 9Δ9 = 0 and 7Δ1 = 60, then find the value of 4Δ9 = ?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Passenger

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

BCD, EFG, IJK, NOP, TUV ?

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

YZ, GH, OP, WX, ?

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

14, 19, 29, 44, ?

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

VTC, ZXG, DBK, HFO, ?