Secondary School (English Medium) (5 to 8) Class 7 - CBSE Question Bank Solutions

Express `1/6` as a per cent.

Express `9/40` as a per cent.

Express `1/100` as a per cent.

Observe the shapes 1, 2, 3 and 4 in the figures. Which of the following statements is not correct?

Area of parallelogram ABCD (see the figure) is not equal to ______.

Ratio of area of ∆MNO to the area of parallelogram MNOP in the same figure is ______.

In the following figure, EFGH is a parallelogram, altitudes FK and FI are 8 cm and 4 cm respectively. If EF = 10 cm, then area of EFGH is ______.

If the sides of a parallelogram are increased to twice its original lengths, how much will the perimeter of the new parallelogram?

In the following figure, area of parallelogram BCEF is ________ cm² where ACDF is a rectangle.

To find area, any side of a parallelogram can be chosen as ______ of the parallelogram.

Perpendicular dropped on the base of a parallelogram from the opposite vertex is known as the corresponding ______ of the base.

If perimeter of two parallelograms are equal, then their areas are also equal.

All parallelograms having equal areas have same perimeters.

In the following figure, area of ∆AFB is equal to the area of parallelogram ABCD. If altitude EF is 16 cm long, find the altitude of the parallelogram to the base AB of length 10 cm. What is the area of ∆DAO, where O is the midpoint of DC?

In the following figure, find the area of parallelogram ABCD if the area of shaded triangle is 9 cm².

Altitudes MN and MO of parallelogram MGHK are 8 cm and 4 cm long respectively (see figure). One side GH is 6 cm long. Find the perimeter of MGHK.

Perimeter of a parallelogram shaped land is 96 m and its area is 270 square metres. If one of the sides of this parallelogram is 18 m, find the length of the other side. Also, find the lengths of altitudes l and m (see figure).

ABCD is a parallelogram in which AE is perpendicular to CD (see figure). Also AC = 5 cm, DE = 4 cm and area of ΔAED = 6 cm². Find the perimeter and area of ABCD.

Find the area of the following triangle:

Find the area of the following triangle: