For the following questions answer them individually
'A' can complete 40% of a work in 6 days, while 'B' can complete the work in $$7\frac{1}{2}$$ days. If they work together, then in how many days will the work be completed?
The marked price of an article is ₹5,450. If a person earns a profit of 15% after allowing a discount of 15%, then the cost price (in ₹) (correct to the nearest integer) of the article is:
When an article is sold for ₹388, there is a loss of 3%. What is the selling price (in ₹) of the article, if it is sold at a gain of 18%?
The sum of the cost prices of two bikes is ₹50,000. The first bike was sold at a profit of 20% and second bike at a loss of 20%. If the selling prices are the same, what is the cost price (in ₹) of the second bike?
If the HCF of two numbers is 6 and LCM of the same two numbers is 54, then the square root of the product of these numbers is:
Simplify the following expression.
$$\frac{\frac{3}{7}+1\frac{2}{3}\times6-(3\frac{1}{2}\div\frac{3}{5}\ of \ \frac{7}{9})\ of \ \frac{2}{3}}{\frac{1}{7}(4\div\frac{1}{5} \ of \ 10)-3}$$
When x is subtracted from each of 21, 22, 60 and 64, the numbers so obtained in this order are in proportion. What is the mean proportional between $$(x+4)$$ and $$(\frac{x}{2}-1)$$ ?
The ratio of boys and girls in a school is 35:39. If the average of boys and girls in the school is 740, then the number of boys in the school is:
'A' can complete a work in 15 days and 'B' can complete the same work in 20 days. Working together, in how many days will they complete 70% of the same work?
