Verbal Reasoning - Mental Ability Questions

In the word ACCUMUATES, if the 1st letter is interchanged with 2nd, 3rd with 4th, 5th with 6th, 7th with 8th and 9th with the 10th, then the 6th letter from the left will be

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 108 × 12 + 3 – 6 ÷ 4 = ?

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 = ?

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.

West Indies (CWC 1979), India (CWC 1983), Australia (CWC 1987), ? , Sri Lanka (CWC 1996)

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

GB, ID, LG, ?

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

Select the odd word/letters/number/number pair from the given alternatives.