Mensuration

Find the number of bricks, each measuring 10 cm × 36 cm × 16 cm, required to construct a wall 51 m long, 26 m high and 0.6 m thick, while the sand and cement mixture occupies 20% of the total volume of the wall.

Find the number of bricks, each measuring 10 cm × 36 cm × 16 cm, required to construct a wall 51 […]

Two spheres of radius 9 units and 10 units are melted to form a sphere of radius 1 unit and another

A polygon has 13 sides. How many triangles can be drawn using the vertices of the polygon? एक बहुभुज में 13

Two parallel chords on the same side of the centre of a circle are 12 cm and 20 cm long

If PQ and PR are the two tangents to a circle with center O, and ∠QOR= $150^\circ$, then ∠QPR is

The sides of a cuboid are in the ratio 3 : 4 : 5 and its surface area is equal

Given is a circle with centre at C. A, B and D are the points on the circumference. Find ∠ABC. C

Find the diameter of a spherical ball whose volume is 38.808 cm $^3$(Use$ \pi = \frac{22}{7}$) एक गोलाकार गेंद का

Which of the following sets of sides form a right-angled triangle?” निम्नलिखित में से कौन सी भुजाएँ समकोण त्रिभुज की

“A circle with centre O has diameter PQ. The line PQ is extended and meets the tangent at point A

“Two circles touch each other at point O. AB is a common direct tangent to both circles touching them at

The sides of a triangle are 28 cm, 45 cm, and 53 cm. What is its area? (in cm$^2$ )

ABCD is a quadrilateral in which AB|| DC, and E and F are the mid points of the diagonals AC

Which of the following statements is correct? निम्नलिखित में से कौन-सा कथन सही है?