Maths

Practice Maths questions from all topics in Hindi and English for competitive exams. Including Arithmetic, Algebra, Geometry, Mensuration, and Data Interpretation. Free Quantitative Aptitude MCQs for SSC, Banking, Railways, UPSC & State Exams with instant answers and solutions.

20 identical solid hemispheres of radius 3 cm

20 identical solid hemispheres of radius 3 cm are melted to form a big solid hemisphere. What is the radius (in cm) of the biggest hemisphere formed, if 20% of the solid is wasted during the process? 3 cm त्रिज्या वाले 20 एकसमान ठोस अर्धगोलों को पिघलाकर एक बड़ा ठोस अर्धगोला बनाया जाता है। यदि

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The area of a regular hexagon is 2048

The area of a regular hexagon is 2048\(\sqrt{3}\) cm\(^2\). What is the length(in cm) of each side of the hexagon? एक सम षट्भुज का क्षेत्रफल 2048\(\sqrt{3}\) cm\(^2\) है। षट्भुज की प्रत्येक भुजा की लंबाई (cm में) ज्ञात करें?

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A shot – put made of iron

A shot – put made of iron with a diameter of 12 cm is melted into a solid cylinder with a height of 2 cm. What is the diameter of the cylinder made? 12 cm व्यास वाले लोहे से बने एक गोले (shot-put) को पिघलाकर 2 cm  ऊंचाई वाला एक ठोस बेलन में ढाला जाता

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What is the number of gold coins

What is the number of gold coins, each having a radius of 0.875 cm and a thickness of 2 mm, that need to be melted to create a cuboid with dimensions 5.5cm\(\times\) 5 cm \(\times\) 3.5 cm? ( User \(\pi = \frac{22}{7}\)) प्रत्येक 0.875 cm त्रिज्या और 2 mm मोटाई वाले सोने के सिक्को की

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The lengths of the two diagonals

The lengths of the two diagonals of a rhombus are 20 cm and 23 cm. What is the area (in cm\(^2\) ) of the rhombus? एक समचतुर्भुज के दो विकर्णों की लंबाई 20 cm और 23 cm हैं। समचतुर्भुज का क्षेत्रफल (cm \(^2\)) क्या होगा ?

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The height of a right circular

The height of a right circular cylinder is three times its radius. If the curved surface area of the right circular cylinder is 3696 cm\(^2\), then the volume of the cylinder is equal to (taking\(\pi =\frac{22}{7}\)) : एक लबं वृत्तीय बेलन की ऊंचाई उसकी त्रिज्या की तीन गुनी है। यदि लबं वृत्तीय बेलन का वक्र

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