Recent questions in Olympiad-Math

A door frame of dimensions $4m \times 5m$ is fixed on the wall of dimension $11m \times 11m$. Find the total labour charges for painting the wall if the labour charges for painting $1m^2$ of the wall is $Rs 2.50.$

asked Oct 14, 2015 by pady_1

1 answer

The length & breadth of a rectangle are 23 cm & 11 cm respectively. Find he area of the triangles formed by joining one of its diagonals.

asked Oct 14, 2015 by pady_1

1 answer

The length and breadth of a rectangular field is 10 cm and 6 cm respectively. What will be its area?

asked Oct 14, 2015 by pady_1

1 answer

A rectangle’s length is $(2x + 1)\; cm$ and its width is $(2x – 1)\;cm$. If its area is $15 cm^2,$ find the value of x?

asked Oct 14, 2015 by pady_1

1 answer

The side of a square is 4 cm. Find the area of the triangles formed by joining all of its diagonals.

asked Oct 14, 2015 by pady_1

1 answer

A rectangular field has dimensions 84 m by 37 m. What will be the cost of digging the entire field at the cost of Rs $15/m^2$.

asked Oct 14, 2015 by pady_1

1 answer

A rectangle has a length of 6 cm and diagonal 10 cm, find the width of the rectangle?

asked Oct 14, 2015 by pady_1

0 answers

A rectangle has a length that is 2 less than 3 times the width. If the area of the rectangle is $16\; cm^2,$ find the dimensions.

asked Oct 14, 2015 by pady_1

1 answer

How many times a wheel of radius 28 cm must rotate to go 352 m?

asked Oct 14, 2015 by pady_1

0 answers

A boy walks 5 times around a park. If the size of the park is 100m by 50m, find the distance the boy has walked.

asked Oct 14, 2015 by pady_1

1 answer

Find the area of a circle if its radius is 7 cm

asked Oct 14, 2015 by pady_1

0 answers

The radius of a circle is 7 cm. The circle is divided into two equal parts. What is the perimeter of each semi circular part?

asked Oct 14, 2015 by pady_1

0 answers

The diameter of a circle is 28 cm. Find its area.

asked Oct 14, 2015 by pady_1

0 answers

If the circumferance of a circular sheet is 154 cm, find its diameter.

asked Oct 14, 2015 by pady_1

0 answers

Find the circumference of a wheel whose radius is 21 cm. Also find the distance coveredby it in 10 revolution

asked Oct 14, 2015 by pady_1

0 answers

If the ratio of the diameter of two circles is 2 : 5, find the ratio of their circumference.

asked Oct 14, 2015 by pady_1

1 answer

The diameter of a car’s tyre is 70 cm. Find the distance covered by it in 5 revolution.

asked Oct 14, 2015 by pady_1

0 answers

The circumference of a circle is 31.4 cm. Find its radius.

asked Oct 14, 2015 by pady_1

0 answers

If the area of a circle is 154 cm^2, find its radius.

asked Oct 14, 2015 by pady_1

0 answers

A person starts walking around a square field and in reaching back to the starting place he travels $3496\; m$. Find the side of the square field.

asked Oct 14, 2015 by pady_1

1 answer

Calculate the breadth of the rectangle whose length and breadth are in the ratio 5 :7 and perimeter is 120 m.

asked Oct 14, 2015 by pady_1

1 answer

A piece of wire is 40 cm long. It is bent in the form of a square. Find its sides.

asked Oct 14, 2015 by pady_1

0 answers

A horse is tied with a rope in the centre of a square field of side 30 m. If the lengthof the rope is 14 m. Find the area of the field where the horse cannot graze.

asked Oct 14, 2015 by pady_1

1 answer

For a Home Science practical, 200 students were given cloth pieces of size $20 cm × 25cm$. Find the total cost of cloth at $Rs. 50$ per $m^2$.

asked Oct 14, 2015 by pady_1

1 answer

For making a paper bag, a rectangle 15 cm × 10 cm is required. Find the cost of 10paper bags if cost of paper is Rs. 2 per cm2 and labour cost is Rs. 5 per bag.

asked Oct 14, 2015 by pady_1

1 answer

Find the area of an isosceles right angled triangle of equal sides 15 cm each.

asked Oct 14, 2015 by pady_1

2 answers

The base and height of a triangle are in the ratio 8 : 5 and its area is 320 m^2. Find the height and base of the triangle.

asked Oct 14, 2015 by pady_1

0 answers

Find the area of a right angled triangle whose hypotenuse is 13 cm and one of its sides containing the right angle is 12 cm. Find the length of the other side.

asked Oct 14, 2015 by pady_1

1 answer

The area of a right triangle is 184 cm^2 and one of its legs is 16 cm long. Find the length of other leg.

asked Oct 14, 2015 by pady_1

1 answer

The length of one of the diagonals of a field in the form of a quadrilateral is 46 m. The perpendicular distance of the other two vertices from the diagonal are 13 m and 10 m, find the area of the field.

asked Oct 14, 2015 by pady_1

1 answer

The area of the triangle is equal to that of square whose each side measures 30 cm. Find the side of the triangle whose corresponding altitude is 36 cm.

asked Oct 14, 2015 by pady_1

1 answer

Find the area of an equilateral triangle, the length of whose sides is 12 cm.

asked Oct 14, 2015 by pady_1

0 answers

Find the base of a triangle whose altitude is 20 cm and area is 0.8 m^2.

asked Oct 14, 2015 by pady_1

0 answers

Find the height of a triangle whose base is 50 cm and whose area is 500 cm^2.

asked Oct 14, 2015 by pady_1

0 answers

Find the area of a triangle, sides of which are 10 cm and 9 cm and the perimeter 36 cm.

asked Oct 14, 2015 by pady_1

0 answers

The three sides of a triangle are in the ratio 2 : 3 : 4 and the perimeter 225 m. Find its area.

asked Oct 14, 2015 by pady_1

0 answers

Find the area of a triangle whose sides are 24 cm, 32 cm and 40 cm.

asked Oct 14, 2015 by pady_1

0 answers

Four square flowerbeds each of sides 2 m are dug on a piece of land 12 m long and 9 m wide. Find the area of the remaining portion of the land. Find the cost of levelling this land at the rate of $3 per 100 cm^2.

asked Oct 14, 2015 by pady_1

0 answers

A square lawn is surrounded by a path 2 m wide. If the area of the path is 240 m^2, find the area of the lawn.

asked Oct 14, 2015 by pady_1

0 answers

A path 5 m wide runs along inside a rectangular field. The length of the rectangular field is three times the breadth of the field. If the area of the path is 500 m2, then find the length and breadth of the field.

asked Oct 14, 2015 by pady_1

1 answer

A strip of width 4 cm is cut out all round from a sheet of paper with dimensions 30 cm × 20 cm. Find the area of the strip cut out and the area of the remaining sheet.

asked Oct 14, 2015 by pady_1

1 answer

A floor is 10 m long and 6 m wide. A square carpet of side 5 m is laid on the floor. Find the area of the floor not carpeted.

asked Oct 14, 2015 by pady_1

1 answer

The area of a square field is 100 ares. Find its perimeter.

asked Oct 14, 2015 by pady_1

0 answers

How many square tiles of side 9 cm will be needed to fit in a square floor of a bathroom of side 72 cm.

asked Oct 14, 2015 by pady_1

1 answer

The areas of a square and rectangle are equal. If the side of the squareis 20 cm and the breadth of the rectangle 10 cm, find the length of the rectangle and its perimeter.

asked Oct 14, 2015 by pady_1

1 answer

A wire in the shape of rectangle whose width is 22 cm is bent to form a square of side 31 cm. Find the length of the rectangle.

asked Oct 14, 2015 by pady_1

0 answers

The area of a square field is 81 hectares. Find the cost of fencing the field with a wire at the rate of $2.25 per m.

asked Oct 14, 2015 by pady_1

1 answer

Find the perimeter of a square whose area is 625 cm^2.

asked Oct 14, 2015 by pady_1

1 answer

The area of a rectangle is 96 cm2. If the breadth of the rectangle is 8 cm, find its perimeter.

asked Oct 14, 2015 by pady_1

0 answers

Find the cost of tiling a rectangular plot of land 300 m long and 150 m wide at the rate of $6 per hundred square m.

asked Oct 14, 2015 by pady_1

1 answer

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