If the length of the diagonal of a square is 20cm,then its perimeter must be

a. 402cm     b. 302cm    c. 10cm    d. 152cm

What is the total length intercepted between both the axes by the line 8x+4y=40?

If the diameter of a circle is 28 cm, then what will be its circumference (in cm)?

The perimeter of a square is 34 cm. Find its area (in cm2).

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.

Calculate the length (in cm) of the chord of the circle which is at the distance of the 12 cm from the centre and at the radius of the circle is 13 cm.

From which of the following quadrants does the line 7x + 12y = 16 will pass?

One of the roots of the equation x2 - 6x + k = 0 is x = 2. The other root is

15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?