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If (a=21q+17) and (b=21p+19), what is the remainder when (a+b+6) is divided by 21?यदि (a=21q+17) और (b=21p+19), तो (a+b+6) को 21 से भाग देने पर शेषफल क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 11
Step 1: Add the remainders: (17+19+6=42). Step 2: (42) is exactly divisible by 21, so the remainder should be 0. Step 3: In multi-term questions, add only the remainders and reduce at the end.चरण 1: शेषफलों को जोड़ें: (17+19+6=42)। चरण 2: 42, 21 से पूर्णतः विभाजित है, इसलिए शेषफल 0 होना चाहिए। चरण 3: कई पदों वाले प्रश्नों में केवल शेषफलों को जोड़कर अंतिम घटाव करें।
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