किसी संख्या (r) के तीन गुने में (2) घटाने का व्यंजक कौन-सा है?
Which expression represents subtracting (2) from three times a number (r)?
Explanation opens after your attempt
D. (3r-2)
Concept
Three times is (3r), and (2) is subtracted from it. So the correct expression is (3r-2).
Why this answer is correct
The correct answer is D. (3r-2). Three times is (3r), and (2) is subtracted from it. So the correct expression is (3r-2).
Exam Tip
तीन गुना (3r) होता है और उसमें से (2) घटाते हैं। इसलिए सही व्यंजक (3r-2) है।
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