2022Class 10Set 30/1/140 marks14 questions
3 of its 14 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.
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Source: CBSE Board Examination 2022, Class 10 Mathematics Standard (041), paper 30/1/1, published by CBSE. CBSE's ZIP of every set
A solid metallic sphere of radius 10·5 cm is melted and recast into a number of smaller cones, each of radius 3·5 cm and height 3 cm. Find the number of cones so formed.
Two concentric circles are of radii 4 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle.
Draw a circle of radius 3 cm. Take two points P and Q on one of its extended diameter each at a distance of 7 cm from its centre. Construct tangents to the circle from these two points P and Q.