नीचे हिन्दी के

Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.

If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”

If K denotes '÷', L denotes 'x', M denotes '-' and N denotes '+', then what will be the value of the following expression?

If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?

If '$ means +',  '# means –,  '@ means ×' and  '* means ÷', then what is the value of  ' 16 $ 4 @ 5 # 72 * 8 ' ?

What will be the value of expression if the numbers/digits ‘(42)’ and ‘(18)’ are interchanged?

54 ÷ 42 × 10 + 18 – 12 + 20