For the following questions answer them individually
The following table shows the weight of 20 students:
The mode and median of the above data are, respectively:
The marked price of an article is ₹x. After allowing a discount of 20% on the marked price, a shopkeeper gains ₹40. If his profit is $$11\frac{1}{9}\%$$, then the value of x is:
A person divided a certain sum among his three sons in the ratio 2 : 3 : 8. If he had instead divided it in the ratio $$\frac{1}{2} : \frac{1}{3} : \frac{1}{8}$$, the son who got the least share would have received ₹2200 more. The sum (in ₹) was:
Pipes A and B can empty a full tank in 8 and 12 hours respectively. C is a filling pipe. All the three pipes were opened together at the same time and one-sixth of the tank got emptied in one hour. C alone can fill the tank in:
The following table presents the number of units of a product produced and sold by a company during six years.
What is the ratio of the total number of units of the product sold in 2013 and 2015 to that produced in 2015 and 2016?
When 5, 6, 8, 9 and 12 divide the least number 'x', the remainder of each case is 1, but x is divisible by 13. What will be the remainder when x is divided by 31?
The value of $$4 \times 2 \div 4 of  (4 + 4 \div 4 of 4) - (4 \div 4 of 2 \times 4)$$ is:
A certain sum invested at compound interest amounts to ₹19965 at 10% p.a. in 3 years. The same sum will amount to ₹x at the same rate in $$2\frac{2}{5}$$ years. If the interest is compounded yearly in both cases, what is the value of x?
A, B, and C can do a piece of work in 36 days, 54 days, and 108 days, respectively. They started the work together but A left 9 days after the start of the work and B left 3 days before the work was completed. For how many days did C work?
A cube of maximum possible volume is removed from a solid wooden sphere of radius 6 cm. The side of the cube is: