Information Processing (Term 1) - Systematic Listing — Practice

Question 1

List all two-digit numbers formed from 4 and 5 (digits may repeat).

Accepted Answer

44, 45, 54, 55 (4 numbers).

Question 2

A child has a red and a blue shirt and a black and a white pant. List the shirt-pant pairs.

Accepted Answer

Red-Black, Red-White, Blue-Black, Blue-White (4 pairs).

Question 3

A coin is tossed twice. List the possible outcomes.

Accepted Answer

HH, HT, TH, TT.

Question 4

How many two-digit numbers can be formed using 2, 3, 4 (repetition allowed)?

Accepted Answer

9 (3 choices for each digit: 3 × 3).

Question 5

Why should we list in order?

Accepted Answer

So that no possibility is missed or repeated.

Question 6

Ramya has 2 caps and 3 bags. How many cap-bag combinations are there?

Accepted Answer

2 × 3 = 6 combinations.

Practice — Information Processing (Term 1) - Systematic Listing