Why tables for layout not preferred ?

Could someone answer below interview questions?

Tables for layout other than tabular data presentation are not preferred in HTML because
Options:
a) Caching of the layout won't work
b) Changing the design needs change of HTML code
c) Accessibility won't work
d) It's just matter of tradition

From the following give the disadvantages of HTML5?
i) Cleaner markup
ii) Additional semantics of new elements like <header>,<nav>, and <time>
iii) New form input types and attributes that will ( and in Opera's case, do) take the hassle out of scripting forms.
Options:
a) i and ii
b) ii and iii
c) i,ii and iii
d) None of the above

If the opacity of parent element is 0.5 and we want the child opacity to be 0.3 , what is the possible value for opacity for child element?
Options:
a) 0.15
b) 0.27
c) 0.25
d) 0.3

Resources mentioned in the manifest file will be downloaded and cached locally for offline access.
Options:
a) True
b) False

CSS selector for previous sibling
Options:
a) +
b) >
c) !
d) None of them

Which is preferred method for drawing like animation and games
Options:
a) SVG
b) Canvas
c) Both
d) None of them

Common challenges faced when designing or developing for multilingual sites are
Options:
a) Standard text sizes and direction
b) Font colours
c) App executable size
d) Unicode encoding of special characters

Which of the following triggers on a mouse double-click
Options:
a) ondblClick
b) onDoubleClick

Use_______ for making div not larger than its contents
Options:
a) float
b) absolutely positioned element
c) inline-block element
d) table element

Number pad with a back button for text field can be achieved by
Options:
a) type=telephone
b) type=text and pattern
c) type=number and pattern
d) Can't be achieved

Tables can have tables nested
Options:
a) TRUE
b) FALSE

CSS3 allows multiple background images for box elements using
Options:
a) ,
b) ;
c) Multiple definitions in {} for an element
d) Multiple background images are not allowed

CSS3 animations is not showing an effect because ___ or ___ not specified
Options:
a) Name, Duration
b) None of the above

Preferred methods of optimising a website assets
Options:
a) File Concatenation
b) File Compression
c) Offloading assets
d) CDN Hosting

Which is the permanent and website-specific storage in the following
Options:
a) Cookies
b) Session storage
c) Local storage
d) None of them

Which are restrictions active if sandbox attribute is used?
Options:
a) All activities are flowing safe path
b) Links are prevented from targeting other browsing contexts
c) All plugins are disabled
d) Markup origin is hidden

When table-width=100%, the navigator leaves room for a scrollbar on the right, even If the document does not require scrolling
Options:
a) TRUE
b) FALSE

CSS triangles are formed by having height and width of
Options:
a) Equal values
b) 0
c) Height greater than width
d) Height lesser than width

You are developing a customer web form that indicates the following HTML _______
You need to change the HTML markup so that customers can enter only a valid three-letter country
Code. Which HTML should you use?
Options:
a) <input id="txtValue" type="country" />
b) <input id="txtValue" type="text" required="xxx" />
c) <input id="txtValue" type="text" pattern="[A-Za-z]{3}" />
d) <input id="txtValue" type="code" pattern="country" />

Which Boolean attribute if specified, will allow video automatically seek back to start after reaching at the end.
Options:
a) Autoplay
b) Autobuffer
c) Loop
d) Controls

Hosting multiple applications on the same origin is a security flaw
Options:
a) TRUE
b) FALSE

We can disable validation of HTML5 form elements by using
Options:
a) Novalidate
b) Invalidate
c) Novalidation
d) Novalidate="novalidate"

Which is best suited for applications with large rendering areas eg: Google maps ?
Options:
a) SVG
b) Canvas
c) Both
d) None of them

Chucknorris string produces red colour when entered as background colour in HTML, why?
Options:
a) HTML cheatseet have certain random strings mapped to colours and it is one of them
b) Chucknorris leaves blood-red backgrounds where ever he goes, including websoies
c) HTML is built around intentionally ignoring malformed input
d) Browsers substitute non-hex digits with zeros

The location of the device could not be determined, the error code is 2 then what will be the constant?
Options:
a) UNKOWN_ERROR
b) PERMISSION_DENIED
c) POSITION_UNAVAILABLE
d) TIMEOUT

In location property what specifies the geographic locations of the device. The location is expressed as a set of geographic coordinates together with information about heading and speed.
Options:
a) coords.accuracy
b) coords. Longitude
c) coords
d) Coords.altitudeAccuracy

Cellspacing of HTML, in equivalent to ____ of CSS
Options:
a) border-collapse: collapse;
b) Border-spacing :X px;
c) Padding : X px:
d) No such option is available in CSS

A mixin with no parameter is more efficient than using extend
Options:
a) TRUE
b) FALSE

Which WebSocket attribute indicates the connection ready status
Options:
a) Socket.readyState
b) Socket.statusReady
c) Socket.readyStatus
d) isSocketReady