Guest

Dialling a telephone number to his daughter an old man forgets the last two digits and dialled at random remembering only that the last two digits are different. The probability that the number dialled is correct is: (a) 1/10 (b) 1/45 (c) 1/90 (d) 1/135

Dialling a telephone number to his daughter an old man forgets the last two digits and dialled at random remembering only that the last two digits are different. The probability that the number dialled is correct is:
(a) 1/10

(b) 1/45

(c) 1/90

(d) 1/135

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
2 months ago
Our expert is working on this Class X Maths answer. We will update the answer very soon.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free