Sarkari Exam Quiz
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Qus: There are 29 students in a class and their average age is 15 years. If the age of the teacher is added to the age of the children, the average age increases by 1 year. Then what is the age of the teacher?
Qusकिसी कक्षा में 29 विद्यार्थी है तथा उनकी औसत आयु 15 वर्ष है। यदि बच्चों की आयु में शिक्षक की आयु को जोड़ दिया जाए तो औसत आयु 1 वर्ष बढ़ जाती है। तो शिक्षक की आयु क्या है ?
A. 42 वर्ष
B. 43 वर्ष
C. 45 वर्ष
D. 50 वर्ष
Solution
C. 45 Year
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