Question

123. L = x+y where x and y are prime numbers. Which
of the following statement/s is/are true?
(i) The unit's digit of I cannot be 5
(ii) The units digit of L cannot be 0.
(ii) I cannot be odd.
(a) All three
(b) Only in​

Answer 1

Step-by-step explanation:

1 hour = 60 mins

4 hours = 4 x 60 mins

= 240 mins

Ratio :

= 40 mins : 4 hrs

= 40 mins : 240 mins

= 4 : 24

= 1 : 6

Therefore, the required ratio is 1:6.

Answer 2

Answer:

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