Page 161 - Math Genius C4

E:\Working\Orange_Education\Math_Genius_4\Open_Files\Chap-08
\\September 30, 2025 9:50 AM Bharat Arora P-9 Reader _________________________ Date: ___________________74

Think Tank Logical Thinking
1. Decode the message written in code: 9 12 15 22 5 9 14 4 9 1
2. Create a code for your friends and ask them to decode it.

Practice time 8e

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

1. Using the above table, write the following messages in code language.

(a) BE HERE NOW _________________________________

(b) BELIEVE IN YOURSELF _________________________________

(c) DO IT NOW _________________________________

(d) DO YOUR BEST _________________________________

(e) DREAMS COME TRUE _________________________________

2. Using the above code, decode the following messages.

(a) 6 15 3 21 19 1 14 4 23 9 14 ___________________________

(b) 9 20 9 19 16 15 19 19 9 2 12 5 ___________________________

(c) 25 5 19 25 15 21 3 1 14 ___________________________

(d) 14 5 22 5 18 7 9 22 5 21 16 ___________________________

Mental Maths Logical Thinking
Choose the correct option.

1. A triangle whose two sides are equal has ______ line(s) of symmetry.
(a) 1 (b) 2 (c) 3 (d) 4

2. 2, 4, 8, ______.
(a) 10 (b) 12 (c) 32 (d) 16

+ 0 ×
3.
0 × × + + 0

0 + + ×
(a) (b) (c) (d)
+ × + 0 0 × 0 +

Mathematics-4 159