# RRB PO Prelims Quantitative Aptitude Quiz – 24

## RRB PO Prelims Quantitative Aptitude Quiz

Quantitative aptitude measures a candidate’s numerical proficiency and problem-solving abilities. It is the most important section of almost all competitive exams. Candidates are often stymied by the complexity of Quantitative Aptitude Questions but if they practice more and more questions it will become quite easy. So, here we are providing you with the RRB PO Quantitative Aptitude Quiz to enhance your preparation for your upcoming examination. Questions given in this RRB PO Quantitative Aptitude Quiz are based on the most recent and the latest exam pattern. A detailed explanation for each question will be given in this RRB PO Quantitative Aptitude Quiz. This RRB PO Quantitative Aptitude Quiz is entirely free of charge. This RRB PO Quantitative Aptitude Quiz will assist aspirants in achieving a good score in their upcoming examinations.

Directions (1-5): Study the following table carefully to answer the questions that are based on it. The table shows the dimensions of various types of iron blocks.

 Blocks Length (cm) Breadth (cm) Height (cm) Radius (cm) Cube 20 20 20 — Cuboid 12 8 5 — Sphere — — — 35 Cylinder 14 — — 8 Cone — — 28 21

1. Find the number of cones (of given dimension) that can be formed by melting 18 spheres of given dimension.
(a) 252
(b) 265
(c) 250
(d) 270
(e) None of these

2. Find the cost of painting 630 conical blocks of given dimension provided that only the curved surface area is to be painted at Rs. 5 per m2. (approx.)
(a) Rs. 777
(b) Rs. 727
(c) Rs. 780
(d) Rs. 725
(e) Rs. 790

3. Find the total number of cubical blocks of given dimension required to raise the water level to the brim of a cylindrical container having dimensions 10 times than that of the given cylinder. Initially container is half filled.
(a) 176
(b) 80
(c) 220
(d) 128
(e) None of these

4. Find the ratio of total surface area of cylinder, cone and sphere.
(a) 88 : 294 : 1225
(b) 575 : 352 : 89
(c) 18 : 119 : 54
(d) 2 : 8 : 13
(e) 5 : 17: 7

5. By what percent the total surface area of cuboid is more or less than the lateral surface area of cube?
(a) 70.5%
(b) 65%
(c) 75.5%
(d) 80%
(e) None of these

Directions (6-10): What will come in place of question mark (?) in the following number series?

6. 30, 35, 65, 100, 165, 265, ?
(a) 270
(b) 520
(c) 430
(d) 395
(e) None of these

7. 3, 5, 7, ?, 13, 17
(a) 9
(b) 10
(c) 11
(d) 8
(e) None of these

8. 16, 17, 15, 18, 14, ?
(a) 10
(b) 17
(c) 18
(d) 20
(e) None of these

9. 3125, 256, ?, 4, 1
(a) 27
(b) 128
(c) 64
(d) 32
(e) None of these

10. 2, 3, 6, 18, 108, ?
(a) 126
(b) 1944
(c) 648
(d) 756
(e) None of these

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