Let Meeta's salary be Rs \(x\).
Given that,
\(10\% \;of\; x = 400\)
\(\frac{10}{100}\times x = 400\)
\(\frac{x}{10}=400\)
\(x = 400 × 10\)
= Rs \(4000\)
Therefore, Meeta's salary is Rs \(4000\).
Match the items given in Column I with one or more items of Column II.
Column I | Column II |
(a) A plane mirror | (i) Used as a magnifying glass. |
(b) A convex mirror | (ii) Can form image of objects spread over a large area. |
(c) A convex lens | (iii) Used by dentists to see enlarged image of teeth. |
(d) A concave mirror | (iv) The image is always inverted and magnified. |
(e) A concave lens | (v) The image is erect and of the same size as the object. |
- | (vi) The image is erect and smaller in size than the object. |