Embibe Experts Solutions for Chapter: Coding Decoding, Exercise 1: MAT 2019

A clock shows $05:45$. A plane mirror is kept on the right of the clock, with its plane perpendicular to the face of the clock. What time will be shown by the mirror image?

In certain coded language

‘way to win’ is written as AAaa aaaa AAAa,

‘Go to Walk’ is written as Aaaa aaaa AAAA,

‘Get up early’ is written as AaAa AaaA aaAA.

Then, how can ‘Always go to morning walk early’ be written in that coded language?

In a performing Arts competition, there are six participants M, P, B, K, L and V. It is given that M and P are good at dancing and acting. B and K are good at singing and playing tabla. L and M are good at tabla but not good at singing. P and V are good at playing Guitar and also good at singing. Who among them is/are good at dancing, singing, playing Guitar and acting?

The identity is given below through some symbols. In the options these symbols are decoded. Identify the correct option of which the signs satisfy the given identify.

$12◯13⬜15 ∆ 5 * 180 ^ 21$

In the coded language, the $12$ digits of the clock are represented as $12$ symbols as follows:

$\$,AN,\#,AT,{}^{*},IN,-,IT,+,IF,∆,AF$. When any two symbols used together, then first symbol represent hour hand and second symbol represent minute hand of the clock.

The teacher starts his lecture at $\text{'}IT \#\text{'}$ and teaches for $\text{'}AN *\text{'}$, then he announced break for $\text{'}\$ IN\text{'}$ hrs and resumed the class. At what time, he restarted his lecture?

If under some rule $4231$ is transformed to $3087$ and $6243$ is transformed to $4086$. Then to which number $7614$ will transform to?

If $6 \to 4, 12 \to 6, 18 \to 6, 24 \to 8, 30 \to 8$ and $36 \to 9$, then $42 \to$ ?

If $13 \to 5, 17 \to 5, 29 \to 7, 41 \to 11$ then $73 \to$ ?