Question
The average height of each student in a class of 25
students is 130 cm. If 10 new students joined the class, then the average height of the each student in the class increases by 4 cm. Find the average height of 10 new students who joined the class.Solution
Total height of 25 students of the class = 130 times; 25 = 3250 cm When 10 new students joined the class, average height of each student = 130 + 4 = 134 cm Total height of 35 students of the class = 134 times; 35 = 4690 cm Average height of 10 new students who joined the class = {(4690 ndash; 3250)/10} = 1440/10 = 144 cm
Which companies have been awarded the engineering design study contract for Sembcorp Industries Ltd's green ammonia plant in Thoothukudi, Tamil Nadu?
Which new environmental entity did India highlight at COP-16 for big cat conservation?
In the context of tokenisation of assets, what type of network is commonly mentioned where discussions between banks and the RBI have taken place?
In India, according to the Insolvency and Bankruptcy Code, 2016, the process of insolvency resolution for companies should be completed in how many days?
In which state is the Nagoba Jatara tribal festival primarily celebrated?
What is the purpose of SpaceX launching its satellite internet service, Starlink, in Mongolia?
What is the primary focus of the China-Pakistan Economic Corridor (CPEC) project?
Which state / UT is the second largest producer of e - waste in India?
KVIC launches India’s 1st Mobile Honey Processing Van in which of the following place ?
Which of the following are correctly matched with respect to Drama and their Author?
