ट्राई स्क्वायर के आधार से मार्किंग ब्लेड कितने कोण पर लगा होता है ? *
A) 45°
B) 90°
C) 120°
D) 180°
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In a class test containing 20 questions , 3 marks are given for every correct answer and -1 marks is given for every incorrect answer. Renu attempt all questions but only 11 of her answers are correct. What is her total score ?
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