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Total student =70 Ratio of the girls and boys=3:2 Girls =3/5) ×70=42 Boys =28. Average marks in physics 28 boys =72 Total marks in physics of 28 boys =72×28=2016 average marks scored by the whole class in Physics = 80 Total marks scored by whole class =80×70=5600 Total marks scored by girls =5600-2016=3584 Average marks in physics of 42 girls=3584/42=85.3
Which one of the following statements regarding force is correct?
14 years ago, the age of a father was three times the age of his son. Now, the father is twice as old as his son. What is the sum of the present ages of...
A farmer divides his herd of n cows among his four sons so that the first son gets one – third the herd, the second son gets one – fifth, the third ...
Find the profit percentage earned on a school bag if it was sold at Rs.1728 after offering a discount of 10% and the marked price of a school bag is Rs....
Integrated Child Development Services is one of the world’s largest and unique early childhood care and development programmes of the GoI, launched in...
Consider the following statements:
1. Only two planets Venus and Uranus revolve around the Sun from east to west i.e. clockwise.
2. While ...
With reference to the role of the Union Public Service Commission, which of the following statements is/are correct?
1. Commission is concerne...
With reference to the Gross Domestic Product (GDP), select the correct statement from option given below:
Dhanvantari was
Which of the following established by Raja Rammohan Roy was a precursor in socio-religious reforms in Bengal?
