Page 93 - Viva ICSE Computer Studies 4 : E-book

Quick Recall

• We perform various activities in day-to-day lives. All these activities involve reasoning and
problem-solving skills.
• At times, there are conditions when everything is properly planned and executed, still some
problems come up. Such problems need to be reasoned out and solved.

SECTION A: LOGICAL REASONING

1. Priya used a concept ‘multiply by 6, divide by 2’ to make a number pattern shown below.
What will be the missing number in the given sequence?

12 72 36 216 108

(a) 18 (b) 648 (c) 54 (d) 216

2. How many stones are needed to balance one brick?

(a) 1 (b) 2 (c) 3 (d) 4

3. How many dots will be there in Figure C?

A B C D E F
(a) 8 (b) 16 (c) 4 (d) 2

4. Study Figure A to complete Figure B.

500 ÷ 2 50 + 50

500 1000

250 × 2 100 × ?

A B
(a) 10 (b) 100 (c) 50 (d) 5

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