Practice Mathematical operation Questions and Answers

• Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 60 * 48 * 36 * 6 * 15 * 53
• In an imaginary mathematical system, symbol '–' stands for addition, symbol '+' stands for division, symbol '×' stands for subtraction, and symbol '÷' ...
• If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?
• In the following question, select the word which can be formed using the letters of the given word. WINDCHEATER
• If in a certain code language ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’. Fi...
• If in a certain code language ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’. Fi...
• If in a certain code language ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’. Fi...
• If in a certain code language ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’. Fi...
• Which two signs should be interchanged to make the following equation correct? 36 – 36 ÷ 9 + 8 × 4 = 8
• Which two signs should be interchanged to make the following equation correct? 52 – 27 ÷ 9 + 7 × 5 = 20
• Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 28 * 174 * 6 * 4 * 126 = 18
• Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 44 * 392 * 7 * 11 * 156 = 50...
• Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 48 * 495 * 5 * 2 * 120 = 126
• Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 56 * 492 * 6 * 7 * 123 = 507
• Which two signs should be interchanged to make the following equation correct? 7 × 6 ÷ 3 – 6 = 40 + 20
• Which two signs should be interchanged to make the following equation correct? 9 × 10 ÷ 2 – 4 = 51 + 2 
• Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation. 12 * 8 * 42 * 6 * 42 =...
• Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation. 16 * 5 * 35 * 5 * 46 =...
• Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation. 18 * 6 * 63* 9 * 56 ...
• Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation. 15 * 9 * 64 * 8 * 80 =...
• Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation. 11 * 4 * 55 * 11 * 32 ...
• Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation. 12@5@7@2@195@3...
• Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation. 14@6@8@3@356@4...
• Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation. 16@5@4@2@410@5 ...
• If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by” 180 × 9 – 2 + 28 ÷...
• If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by” 250 × 10 – 3 + 22 �...
• If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by” 220 × 11 – 3 + 32 �...
• If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by” 260 × 13 – 5 + 25 �...
• If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by” 210 × 7 – 5 + 10 ÷...
• If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression: 121 × 11 – 4 �...
• If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression: 132 × 12 – 5 �...
• If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression: 130 × 13 – 6 �...
• If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression: 135 × 15 – 8 �...
• Which among the given operators should replace the “%” (in the same order) in the given expression below: 5 % 10 % 5 % 36 % 15 % 6
• Which among the given operators should replace the “%” (in the same order) in the given expression below: 6 % 11 % 6 % 37 % 30 % 7
• Which among the given operators should replace the “%” (in the same order) in the given expression below: 7 % 12 % 7 % 38 % 47 % 8
• Which among the given operators should replace the “%” (in the same order) in the given expression below: 8 % 13 % 8 % 69 % 36 % 9
• Which among the given operators should replace the “%” (in the same order) in the given expression below: 9 % 14 % 9 % 90 % 42 % 15
• If ‘@’ denotes ‘addition’, ‘%’ denotes ‘multiplication’, ‘&’ denotes ‘subtraction’ and ‘#’ denotes ‘division’, then what wi...
• Which two signs should be interchanged to make the given equation correct? 8 – 26 + 15 × 18 ÷ 6 = 220