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(i) From above riddle, we can conclude following:

We know that,

There are 4 corners in a square

Also,

Thrice the number of corners in the square will be 3 × 4 = 12

When 12 is added to the number than we get the result which is 34

Hence,

The number must be the difference of 34 and 12

i.e., 34 – 12 = 22

(ii) From above riddle, we can conclude following:

When the old number was up counted on Sunday then the result was 23

Also,

When the old number was up counted on Saturday then the result was 22

When the old number was up counted on Friday then the result was 21

When the old number was up counted on Thursday then the result was 20

When the old number was up counted on Wednesday then the result was 19

When the old number was up counted on Tuesday then the result was 18

When the old number was up counted on Monday then the result was 17

Therefore,

Number taken at start = 17 – 1

= 16

(iii) From above riddle, we can conclude following:

We know that,

Total players in a cricket team = 11

Therefore, according to the riddle the number is such that when 6 is subtracted from it the result is 11

Hence,

Required number = 11 + 6

= 17

(iv) From above riddle, we can conclude following:

According to the riddle the number is such that when it is subtracted from 22 then the result will be the number itself

Therefore,

The required number should be 11 which again gives 11 when it is subtracted from 22