Area of a triangle is 30 cm2.

Area of a triangle is 30 cm². If its base is 10 cm, then its height is
(a) 5 cm
(b) 6 cm
(c) 7 cm
(d) 8 cm

Solution:

If the perimeter of a square is 80 cm, then its area is
(a) 800 cm²
(b) 600 cm²
(c) 400 cm²
(d) 200 cm²

Solution:

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