RRB ALP · General Intelligence and Reasoning
Symbol substitution and balancing of arithmetic equations.
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Q1 · Mathematical Operations · EASY
If '+' means '×', '−' means '÷', '×' means '−' and '÷' means '+', then what is the value of 15 − 3 + 4 ÷ 6 × 2?
Q2 · Mathematical Operations · MEDIUM
If '÷' means '+', '+' means '−', '−' means '×' and '×' means '÷', then which of the following equations is correct?
Q3 · Mathematical Operations · HARD
If the following operations hold: A # B means A + B, A @ B means A − B, A & B means A × B, A $ B means A ÷ B, then what is the value of (120 $ 10) & 5 @ (15 # 5) & 2?
Q4 · Mathematical Operations · EASY
If '+' means '÷', '−' means '+', '×' means '−', and '÷' means '×', then what is the value of 18 ÷ 3 − 12 + 4 × 5?
Q5 · Mathematical Operations · MEDIUM
If 'P' denotes '+', 'Q' denotes '−', 'R' denotes '×', and 'S' denotes '÷', then find the value of 25 P 5 R 4 Q 30 S 6.