Reasoning · Chapter 7
Mathematical Operations PYQs
Legend first, rewrite second, calculate last. Then every changed sign obeys the old order.
Symbol Swap (Sign Substitution) 24 PYQs
- If '+' means '×', '-' means '÷', '×' means '-' and '÷' means '+', what is the value of (26 ÷ 10) + (14 - 7) × 18?SSC Selection Post 2026 · 17 Sep 2026
- If + means ×, ÷ means −, − means + and × means ÷, then what is (160 ÷ 20 - 5) + 4 × 8?SSC Stenographer 2026 · 11 Sep 2026
- If + means −, ÷ means +, − means × and × means ÷, then what is 9 − 3 + 4?SSC Stenographer 2026 · 10 Sep 2026
- Find the result of 16 4 # 8 % 2 @ 3 when means division, # means subtraction, % means addition and @ means multiplication.SSC Stenographer 2026 · 10 Sep 2026
- If '+' means '÷', '×' means '-', '÷' means '+', '-' means '×', then find the value of 36 + 6 - 3 ×SSC Stenographer 2026 · 10 Sep 2026
- If ! = 6, @ = 2, # = 9, then find the value of “@ × ! − #”.UP Police SI 2026 · 15 Mar 2026
- If ! = 3, @ = 5, # = 7, then find the value of “@ − ! + #”.UP Police SI 2026 · 15 Mar 2026
- If '$' denotes '+' and '#' denotes '÷', then what is the value of '(74574 $ 78346) # 5'?UP Police SI 2026 · 14 Mar 2026
- If ! = 6, @ = 4, # = 3, then find the value of "! − # × @".UP Police SI 2026 · 14 Mar 2026
- If '+' means '×', '−' means '÷', '×' means '−' and '÷' means '+', then find the value of the given equation: 6 + 56 − 8 ÷ 45 × 8SSC Selection Post 2026 · 23 Sep 2026
- What will come in the place of '?' in the following equation, if '+' and '-' are interchanged and also 'x' and '÷' are interchanged? 40 x 10 - 20 +…SSC Selection Post 2026 · 19 Sep 2026
- If ÷ denotes addition, × denotes multiplication, + denotes subtraction, and − denotes division, then which of the following equations is correct?SSC Selection Post 2026 · 16 Sep 2026
- If '+' means '÷', '-' means 'x', 'x' means '-' and '÷' make means '+' then, what will be the value of 4 x 8 + 4 ÷ 4 - 2?SSC Stenographer 2026 · 12 Sep 2026
- If '+' means 'x', '-' means '+', 'x' means '÷', and '÷' means '-', find the value of 50 × 5 - 10 + 2 ÷ 8SSC Stenographer 2026 · 12 Sep 2026
- If '+' stands for 'x', '-' stands for '+', 'x' stands for '÷' and '÷' stands for '-', then find the value of 50 × 5 - 10 + 2 ÷ 8.SSC Stenographer 2026 · 12 Sep 2026
- If + = /, - = , = -, / = +; then what is 6 + 3 * 2 - 5 / 1?SSC Stenographer 2026 · 12 Sep 2026
- If '+' means '÷', '-' means '+', '×' means '-' means '×', then what is the value of the following expression? 24 ÷ 12 - 18 + 9 × 12SSC Stenographer 2026 · 11 Sep 2026
- If '+' stands for '÷', '-' stands for '+', '×' stands for '-' and '÷' stands for '×', then what is the value of the following expression? 24 ÷ 12 -…SSC Stenographer 2026 · 11 Sep 2026
- If '∞' stands for '×', 'π' stands for '÷', 'Σ' stands for '+' and 'Δ' stands for '-', then find the value of 12 ∞ 8 π 4 Δ 10 Σ 6.SSC Stenographer 2026 · 11 Sep 2026
- If 'Δ' means '+', '□' means 'x', '○' means '÷', and × '∇' means '-', then find the value of 20 ○ 4 □ 8 Δ 10 ∇ 15.SSC Stenographer 2026 · 11 Sep 2026
- If 'Δ' stands for '+', '□' stands for 'x', '○' stands for '÷' and '∇' stands for '-', then find the value of 20 ○ 4 □ 8 Δ 10 ∇ 15.SSC Stenographer 2026 · 11 Sep 2026
- If '*' denotes '+', '/' denotes '-', '&' denotes '×', and '@' denotes '÷', then what is the value of: 18 & 12 @ 4 * 5 / 6?SSC Stenographer 2026 · 09 Sep 2026
- Choose the correct value for 30 # 4 @ 2 % 6 3 when # is multiplication, @ is division, % is subtraction, and is addition.SSC Stenographer 2026 · 09 Sep 2026
- If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation? 41 - 16 ÷ 271 +…RRB NTPC 2026 · 20 Jun 2026