quantitative aptitude test 33

Test # 33
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1. The average age of 24 boys and the teacher is 15 years. When the teacher's age is excluded, the average decreases by 1. What is the age of the teacher ?

Quantitative Aptitude
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over the short run/haul
for the immediate future, over a short period of time
Over the short run the old computer is adequate for the job.
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