defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Logical Reasoning Puzzle Logical Puzzle

যদি 'A' এর অর্থ '+', 'B' এর অর্থ '-', 'C' অর্থ 'x' এবং 'D' এর অর্থ '÷' হয়, তবে 99 D 9 C 11 B 21 D 21 = ?

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50 
2
100
3
120
4
48
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