Question

7 Solve these number riddles.
(a) The number is:
• a square number
• a multiple of 3
• less than 25.
(b) The number is:
. a square number
• an even number
• a single-digit number.
(c) The number is:
• a two-digit number less than 30
• a multiple of 4
. a multiple of 5.​

Answer 1

Answer:

a) 9

b) 4

c) 20

Step-by-step explanation:

Squares : 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 ...

a) It is the only multiple of 3 and less than 25.

b) It is the only even single-digit number.

c) It is the only multiple of 4 and 5 less than 30