List of top Mathematics Questions

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).
An article is marked for ₹200. A shopkeeper earns 25% profit even after allowing \(12\frac{1}{2}\)% discount on it. What is the cost price of the article (in ₹)?
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?
Which of the following is an example of non-probability sampling?
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.
The top of a hill observed from the top and bottom of a building of height h is at angles of elevation p and q respectively. The height of the hill is -
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
If cot 20° tan (90° A) = 1, than value of A is :
If \(cot^2 45\degree-sin^2 45\degree = K sin^2 30\degree x tan^2 45\degree xsec^2 45\), then the value of K is
If A, B and C are acute positive angles such that A + B + C = π and cot A cot B cot c = K, then
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:
Which of the following is false for linear programming problem (LLP)?
What is the distance between point P(1, 2, 4) and Q(4,-2, 1) in a 3-D plane?
The area of the circular round shown as 92 \(\pi\) m2 then value of r is:
area of the circular round shown as 92π m2
Which response is right for the given Venn diagram (shaded portion)?
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?
A unit analysis that takes on different values is known as
If a:b= 3:5, then (-a2+b2): (a2+b2) is :
The volume of cylinder is 1408 cm3 and its height is 7 cm. Find the total surface area of the cylinder (correct to 2 decimal places).
(Use \(\pi=\frac{22}{7}\))
If radius of a cyclinder is increased by 10%, while height remains unchanged. What will be the effect on its volume:
A man buys two watches for Rs1750. He sells the first one at a loss of 10% while on the second he earns a profit of 15%. If one the whole he gets no profit no loss then what is the cost of cheaper watch?
By selling an electric iron for ₹700, a shopkeeper incurred a loss of 30%. At what price should he have sold the electric iron to gain 40% ?
If 4/5 of A= 60% of B = 0.75 of C, then A:B:C is
\(\frac{108^2-104^2}{32^2-28^2} = \) _______ ?
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?