Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions for Mathematics

Find CI paid when a sum of Rs. 10,000 is invested for 1 year and 3 months at `8 1/2%` per annum compounded annually.

Solve: `(6x + 1)/3 + 1 = (x - 3)/6`

Solve: 5x - 2(2x - 7) = 2(3x - 1) + `7/2`

Solve the following:

1 – (x – 2) – [(x – 3) – (x – 1)] = 0

Denominator of a number is 4 less than its numerator. If 6 is added to the numerator it becomes thrice the denominator. Find the fraction.

Which of the following figures satisfy the following properties?

- All sides are congruent.

- All angles are right angles.

- Opposite sides are parallel.

Which of the following is a property of a parallelogram?

If two adjacent angles of a parallelogram are (5x – 5)° and (10x + 35)°, then the ratio of these angles is ______.

The angle between the two altitudes of a parallelogram through the same vertex of an obtuse angle of the parallelogram is 30°. The measure of the obtuse angle is ______.

In the given figure, ABCD and BDCE are parallelograms with common base DC. If BC ⊥ BD, then ∠BEC = ______.

The adjacent sides of a parallelogram are 5 cm and 9 cm. Its perimeter is ______.

All rectangles are parallelograms.

If opposite angles of a quadrilateral are equal, it must be a parallelogram.

In parallelogram PQRS, O is the mid point of SQ. Find ∠S, ∠R, PQ, QR and diagonal PR.

In parallelogram LOST, SN ⊥ OL and SM ⊥ LT. Find ∠STM, ∠SON and ∠NSM.

In parallelogram MODE, the bisector of ∠M and ∠O meet at Q, find the measure of ∠MQO.

In the following figure of a ship, ABDH and CEFG are two parallelograms. Find the value of x.