Recent questions in Class 7

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

If it costs $1600 to fence a rectangular park of length 20 m at the rate of $25 per m^2, find the breadth of the park.

asked Oct 14, 2015 by pady_1

0 answers

How many rectangles can be drawn with 38 cm as perimeter?

asked Oct 14, 2015 by pady_1

0 answers

The length of a rectangular wooden board is thrice its width. If the width of the board is 120 cm, find the cost of framing it at the rate of $5 for 20 cm.

asked Oct 14, 2015 by pady_1

0 answers

How many tiles whose length and breadth are 13 cm and 7 cm respectively are needed to cover a rectangular region whose length and breadth are 520 cm and 140 cm?

asked Oct 14, 2015 by pady_1

1 answer

The perimeter of a rectangle is 230 cm. If the length of the rectangle is 70 cm, find its breadth and area.

asked Oct 14, 2015 by pady_1

1 answer

What is the circumference of a circle whose radius is 14 cm.

asked Oct 14, 2015 by pady_1

0 answers

What is the circumferance of a circle whose diameter is 49 m

asked Oct 14, 2015 by pady_1

0 answers

The length and breadth of a rectangular park are in ratio 9 : 5. If its perimeter is 280m, find its area.

asked Oct 14, 2015 by pady_1

1 answer

The length and breadth of a rectangular plot are in the ratio of 4 : 3. If the perimeteris 140 cm, find its area.

asked Oct 14, 2015 by pady_1

0 answers

The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find its breadth.

asked Oct 14, 2015 by pady_1

0 answers

Find the breadth of a rectangular plot if its area is 440 cm^2 and length is 22 cm. Also find its perimeter.

asked Oct 14, 2015 by pady_1

0 answers

If area of a parallelogram is 17.6 m^2 and its base is 4 cm, find its corresponding height.

asked Oct 14, 2015 by pady_1

0 answers

If area of \bigtriangleup ABC is 49 cm^2 and its height AD is 7 cm, find BC.

asked Oct 14, 2015 by pady_1

0 answers

In a triangle, if one side is 7 cm and its corresponding height is 4cm. Find its area.

asked Oct 14, 2015 by pady_1

0 answers

One of the sides and the corresponding height of a parallelogram are 5 cm and 3 cmrespectively. Find the area of the parallelogram.

asked Oct 14, 2015 by pady_1

0 answers

A rectangular blackboard has a diagonal of 12.2 m. If one side of the blackboard is 8.28 m, then what is the area of the blackboard?

asked Oct 14, 2015 by pady_1

0 answers

Matthew has a small plot of land that he wants to pave. If the size of the plot is 198 m by 58.4 metres, and he wants to pave it with square tiles, what will be the measure of the largest tile he can use?

asked Oct 14, 2015 by pady_1

0 answers

The perimeter of a triangle is 75 inches. If side A is twice side B, which is half of side C, what is the length of side C.

asked Oct 14, 2015 by pady_1

0 answers

A buffalo is tied to a pole in grass field using a string which is 4.9 meters long. Find the area where buffalo can graze the grass. (assume π = 22/7).

asked Oct 14, 2015 by pady_1

0 answers

If area of a circle is 260.26m^2, find its circumference. (assume π = 22/7).

asked Oct 14, 2015 by pady_1

0 answers

What is the area of a rectangle with length 2 m 7 dm 9 cm and width as 7 m 3 dm 1 cm?

asked Oct 14, 2015 by pady_1

0 answers

Gita has a small plot of land that she wants to pave. If the size of the plot is 393.6 m by 131.2 metres, and she wants to pave it with square tiles, what will be the measure of the largest tile she can use?

asked Oct 14, 2015 by pady_1

0 answers

If hour hand of a clock is 5.6 cm long, find the distance covered by the tip of hour hand in 100 days. (assume π = 22/7)

asked Oct 14, 2015 by pady_1

1 answer

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