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If 10 A 5 B 6 C 2 = 53 and 6 A 4 B 8 C 2 = 28, then 17 A 5 B 18 C 9 =? 

Select the odd pair of words from the following options.

If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will be the value of the following expression?

If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will be the value of the following equation?

Select the letter that can replace the question mark (?) in the following series.

A, C, E, G, I, Κ, ?

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

(6, 4, 6)

(18, 9, 13)