List of top Mathematics Questions

The monthly income and expenditure of a person were ₹10,000 and ₹6,000 respectively. Next year, his income increased by 15% and his expenditure increased by 8%. Then the percentage increase in his savings is:
A bag contains 1 red, 3 green, 2 blue and 4 yellow balls. If a single ball is chosen at random from the bag, then what is the probability that it is yellow or green?
Which of the following is false for linear programming problem (LLP)?
The simple interest on a certain sum of money for \(2\frac{1}{2}\) years at 12% per annum is RS.40 less than the simple interest on the same sum for \(3\frac{1}{2}\) years at 10% per annum. Find the sum
A unit analysis that takes on different values is known as
If \(A=\begin{bmatrix} 7 & 9 & -2 \\ -2 & 0 & 3 \end{bmatrix}\) and \(B=\begin{bmatrix} 1 & 0 & 5 \\ 6 & 3 & 2 \end{bmatrix}\) then A+B =
Ram has a sum of money, which is sufficient to pay either Usha's wages for 30 days or Manika's wages for 60 days. If he employes them together, the money is sufficient to pay their wages for how many days?
Twelve men can do a work in 8 days and 16 women can do the same work in 12 days. Eight men and 8 women worked together for 6 days. How many additional men need to be employed to complete the remaining work in one day?
10 men and 15 women can do a work in 6 days. One man can do the work in 100 days. In how many days can a woman do the work?
Let f: [a, b]R be a continuous function on [a, b] and differentiable on (a, b), then there exists some e in (a, b) such that
\(f'(c) = \frac{f(b)-f(a)}{b-a}\)
This theorem in named
A sum becomes 5 times of itself at 10% per annum simple interest. At what rate of simple interest will it becomes 10 times during the same period?
The two adjacent sides of a cyclic QUADRILATERAL are 2 and 5 and the angle between them is 60°. If the third side is 3, the remaining fourth side is -
The ratio of length and Breadth of a rectangle is 4:1 and its area is 64 cm2 then what will be the value of length and Breadth of the rectangle?
Instead of walking along two adjacent sides of a rectangular field, a boy took a short-cut along the diagonal of the field and saved a distance equal to half of the longer side. Find the ratio of the length of the shorter side to that of the longer side of the field.
If a sum of ₹5,000 is deposited on compound interest at 10% per annum, then the amount received after 2 years is :
A train with certains speed passes a standing man in 6 seconds and 210 m long plat form in 16 seconds. Then speed of the train is:
In how many years will a sum of ₹800 at 10% per annum compounded semi-annually become ₹ 926.10?
A water tank can be filled by two pipes P and Q in 60 minutes and 30 minutes respectively. How many minutes will it take to fill the empty tank if pipes P and Q are opened for first half of the time, after which only pipe Q is opened for next half of the time?
Calculate the value of median from the given data:
2.90, 3.57, 3.73, 2.98, 3.64, 3.75
3.30, 3.62, 3.76, 3.38, 3.66, 3.76
What is the median of the given data?
2, 3, 5, 0, 8, 13, 4
The term used to describe the most frequently occurring category of a non-numeric variable
Five men working 8 hours per day take 6 days to do a work. How many days will 12 men take to do the same work if they work for 10 hours per day?
Calculate the mean of the following numbers: 100, 200, 600
The area of a rhombus is 120 cm2 and length of its one diagonal is 24 cm. Find the perimeter of the rhombus (in cm).
The height of a room is 40% of semi-perimeter of the floor. Akshay wanted to put wall paper on the walls of his room. It cost ₹5,200 to put 50 cm wide wall paper at the rate of ₹40/m leaving an area of 15 m2 for doors and windows. Height of room (in m) is: