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A cuboidal water tank is 6m long, 5m wide and 4.5m deep. How many litres of water can it hold? (1 m³ = 1000 l)

Given Dimensions of the cuboidal water tank l = 6m, b = 5m, h = 4.5m Find out We have to find out the volume of tank Solution Volume of the... View Article

Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal.

Solution Given AB = CD i.e. two equal chords. To Prove AB = CD Proof From ΔAOB and ΔCOD, OA = OC and OB =... View Article

A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?

Solution Let distance covered in 5 hours be x km. 1 hour = 60 minutes Therefore, 5 hours = 5×60 = 300 minutes Since the distance... View Article

Find the amount of water displaced by a solid spherical ball of diameter (i) 28 cm (ii) 0.21 m (Assume π = 22/7)

Given Diameter = 28 cm Therefore, the radius, r = 28/2 cm = 14cm volume of the solid spherical ball = (4/3) πr3 =... View Article

Express the linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case: 5 = 2x

We have to express 5 = 2x in the form ax + by + c = 0 and indicate the values of a, b and c in each case. Solution The equation 5 = 2x can... View Article

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