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11. We want to calculate the total marks of each student of a class in Physics, Chemistry and Mathematics and the average marks of the class. The number of students in the class is entered by the user. Create a class named Marks with data members for roll number, name and marks. Create three other classes inheriting the Marks class, namely Physics, Chemistry and Mathematics, which are used to define marks in individual subject of each student. Roll number of each student will be generated automatically.
A firm borrows P2,000 for 6 years at 8%. At the end of 6 years, it renews the loan for the amount due plus P2,000 more for 2 years at 8%. What is the lump sum due?
if RS = 5x +6 ,ST=3x, and RT=30,find RS
How many coulontos of charge move across a 120 V source when 1440 J of energy is
required?
On the first day of the month, 4 customers come to a restaurant. Afterwards, those 4 customers come to the same restaurant once in 2,4,6 and 8 days respectively.
a). On which day of the month, will all the four customers come back to the restaurant together?
How many grams of
KClO3 must be decomposed to produce 91.7 g O
2
91.7 g O2?
Accept n Country (ccode, cname, population) information and perform the following
a. Display all country details
b. Search country by cname
c. Search country by ccode
d. Display all countries having population greater than 2500000
e. Display country details having maximum population
A sphere of radius R carries a charge of volume charge density ρ ar, where a is a constant and r denotes the distance from the centre of the sphere. Calculate the total charge enclosed by the sphere and the electric field at points lying inside and outside the sphere.
NaIO3 + 5NaI + 2H3C6H5O7 → 3I2 + 3H2O + 2Na3C6H5O7
=? g/ml
A new car is purchased for 20700 dollars. The value of the car depreciates at 13.75% per year. What will the value of the car be, to the nearest cent, after 12 years?
