MCQ
$\sqrt{2}\text{x}^{2} - \text{3x}-5 = 0$ have :
- AReal and Equal roots
- BReal roots
- ✓Real and Distinct roots
- DNo Real roots
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| Column $I$ | Column $II$ | ||
| $a.$ | The radii of the circular ends of a bucket, in the form of the frustum of a cone of height $30\ cm,$ are $20\ cm$ and $10\ cm$ respectively. The capacity of the bucket is $ ......cm^3$. | $p. $ |
$2418\pi$ |
| $b.$ | The radii of the circular ends of a conical bucket of height $15\ cm$ are $20$ and $12\ cm$ respectively. The slant height of the bucket is $ ...... \ cm.$ | $q.$ | $22000$ |
| $c.$ | The radii of the circular ends of a solid frustum of a cone are $33\ cm$ and $27\ cm$ and its slant height is $10\ cm$. The total surface area of the bucket is $....cm^2$. | $r.$ | $12$ |
| $d.$ | Three solid metallic spheres of radii $3\ cm, 4\ cm$ and $5\ cm$ are melted to form a single solid sphere. The diameter of the resulting sphere is $...... \ cm.$ | $s.$ | $17$ |