Question
What type of lens is used to correct myopia
(shortsightedness)?Solution
Myopia is when nearby objects are clear but distant ones are blurry. A concave lens diverges light rays to form the image on the retina. Convex lenses are used for hypermetropia (farsightedness). This is basic knowledge of corrective optics.
How many seats are there in the row?
In a certain code language, ‘PLATEAU’ is coded as '622267261511' and ‘FORMULA’ is coded as '261561412921', then ‘LAPTOPS’ will be coded as _...
Statements: V ≥ O ≥ S = A > J, M < Y = P ≤ O > R
Conclusion:
I. O > M
II. A ≥ M
III. V > R
If all the digits of the number 789615432 are arranged in decreasing order, then sum of 5 th and 6 th digits (from the left end) of the number thus form...
- A trader purchases a product for Rs. 250 and earns a profit of 45%. Calculate the selling price of the product.
How many people are standing between G and D in a straight line of 15 people (Note: All are standing in a straight line facing north.)?
I. F stan...
दर्पण में देखी गई घड़ी सवा तीन बजे का समय दिखाती है। घड़ी में...
Below is given the last step of an input. What will be its second step?
Last Step: 51 69 87 93 49 56 77 70
- A laptop was sold for Rs. 75,000 at a profit of 25%. For what price should it have been sold to gain a 40% profit?
If K and M interchanged their positions then how many seats are there between M and R?