Skip to main content

Posts

Showing posts from September 8, 2020

From a class of 24 boys, a boy, aged 10 years, leaves the class and in his place a new boy is admitted. As a result the average age of the class is increased by 2 months. What is the age of the new boy 

From a class of 24 boys, a boy, aged 10 years, leaves the class and in his place a new boy is admitted. As a result the average age of the class is increased by 2 months. What is the age of the new boy  24 लड़कों की एक कक्षा में से 10 वर्ष आयु वाला एक लड़का कक्षा छोड़कर चला जाता है तथा उसके स्थान पर एक नए लड़के को कक्षा में दाखिल किया जाता है। परिणामस्वरूप कक्षा की औसत आयु 2 माह बढ़ जाती है नए दाखिल होने वाले लड़के की आयु है