HomeMathematicsThe average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________? The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?By Admin / September 23, 2025 A. 11 years B. 14 years C. 15 years D. 15 2/7 years ✅ The correct answer is option A. 11 years.
1. P and Q can complete a work in 15 days and 10 days respectively. They started the work together and then Q left after 2 days. P alone completed the remaining work. The work was finished in__________days. Leave a Comment / Basic Maths Mcqs MCQs, Mathematics / By Admin
The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream? Leave a Comment / Boats and Streams MCQs, Mathematics / By Admin