Important Mathematics Questions For RRB Group D/ ALP : 1st May 2018(Solutions)



Dear students, you know that QUANT is a part of getting points and every chapter is important. Therefore, we are providing 15 questions of quant. Solve all these quizzes every day so that you can improve your accuracy and speed. We also provide lots of quant questions. So you can practice that chapter which takes more time to solve the questions.

प्रिय पाठकों, आप सभी जानते हैं कि संख्याताम्क अभियोग्यता का भाग बहुत ही महत्वपूर्ण है. इसलिए हम आपको संख्यात्मक अभियोग्यता कि 15 प्रश्नों कि प्रश्नोत्तरी प्रदान कर रहे हैं. इन सभी प्रश्नोत्तरी को दैनिक रूप से हल कीजिये ताकि आप अपनी गति और सटीकता में वृद्धि कर सकें. हम आपको अन्य कई संख्यात्मक अभियोग्यता के प्रश्न प्रदान करेंगे. ताकि आप पाठ्यक्रम अनुसार उन्हें हल कर पायें.


Q1. The surface area of a cube is 600 cm². The length of its diagonal is 
(a) 10/√3 cms
(b) 10/√2 cms
(c) 10√3 cms
(d) 10√2  cms
Q2. If the volume of a sphere is divided by its surface area, the result is 27 cms. The radius of the sphere is 
(a) 9 cm
(b) 27cm
(c) 81 cm
(d) 243 cm
Q3.  A large cube is formed by the meeting of three smaller cubes of 3, 4 and 5 side. The ratio of surface area of all the smaller cubes to the larger cube is 
(a) 18 : 25
(b)  9 : 4
(c) 25 : 18 
(d) 27 : 64
Q4. 12 spheres of the same size are made from melting of a cylinder (solid) 6 cms in diameter and 6 cms in height. The diameter f each sphere is 
(a) 6 m
(b) √6 cm
(c) √2 cm
(d) 3 cms
Q5. The surface area of a cube is 150 m². The length of its diagonal is  
(a) 5√3  
(b) 5
(c) 10/√3
(d) 15
Q6. A cube of 1 cc volume will have a surface area equal to?
(a) 1/12 cm²
(b) 1/24 cm²
(c) 6cm²
(d) 1/36 cm²
Q7. A cube of 384 cm² surface area is melt to make x number of small cubes each of 96 m² surface area. 
(a) 80,000
(b) 8
(c) 8,000
(d) 800
Q8. Two circular cylinders of equal volume have their height in the ratio of 1 : 2. The ratio of their radii is 
(a) 1 : √2
(b) √2 : 1
(c) 1 : 4
(d) 2 : 1
Q9. If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm² then its volume is
(a) 1760 cm³
(b) 8800 cm³
(c) 2002 cm³
(d) 4804 cm³
Q10. A 4 cms long hollow metal cylinder whose outer radius is 4.3 cms and inner radius is 1.1 cms is cast into a solid cylinder of length 12 cm. The find the radius of the solid cylinder. 
(a) 2 cm
(b) 2.5 cm
(c) 2.4 cm
(d) 3 cm

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