Mathematics
Pooja and Ritu can do a piece of work in days. If one day work of Pooja be three fourth of one day work of Ritu; find in how many days each will do the work alone.
Related Questions
A two digit number is obtained by multiplying the sum of the digits by 8. Also, it is obtained by multiplying the difference of the digits by 14 and adding 2. Find the number.
Two articles A and B are sold for ₹ 1,167 making 5% profit on A and 7% profit on B. If the two articles are sold for ₹ 1,165 a profit of 7% is made on A and a profit of 5% is made on B. Find the cost price of each article.
A part of monthly expenses of a family is constant and the remaining vary with the number of members in the family. For a family of 4 persons, the total monthly expenses are ₹ 10,400; whereas for a family of 7 persons, the total monthly expenses are ₹ 15,800. Find the constant expenses per month and the monthly expenses on each member of a family.