ReasoningAbility.com

Number Analogy - Intermediate-Advanced Level: factor relationships INTERMEDIATE-ADVANCED

Ready to master number analogy? This time-bound test features 20 intermediate-advanced-level challenges. Worksheet 22 of 30 sharpens your factor relationships skills. Master numerical relationships, square-cube patterns, prime numbers through guided practice. Perfect for advanced developing test preparation.

📝 Worksheet 22 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Intermediate-advanced level

What you'll learn in this worksheet:
Your progress through Number Analogy
Worksheet 22 of 30 (73% complete)

Question 1

Find the missing number: 10 : 40 :: 3 : ?
The multiplier increases by 1: ×4 then ×5. So 3 × 5 = 15
multiplication, basic

Question 2

Find the missing number: 29 : 21 :: 25 : ?
The subtractor alternates: -8 then -7. So 25 - 7 = 18
subtraction, basic

Question 3

Find the missing number: 2 : 10 :: 2 : ?
The relationship is multiplying by 5. So 2 × 5 = 10, and 2 × 5 = 10
multiplication, basic

Question 4

Find the missing number: 15 : 17 :: 7 : ?
The relationship is adding 2. So 15 + 2 = 17, and 7 + 2 = 9
addition, basic

Question 5

Find the missing number: 134 : 12 :: 143 : ?
The relationship is the product of digits. Product of digits of 134 = 12, product of digits of 143 = 12
product, digits

Question 6

Find the missing number: 5 : 3 :: 37 : ?
The relationship is the previous prime number. Previous prime before 37 is 31
prime, advanced

Question 7

Find the missing number: 41 : 55 :: 34 : ?
The relationship is the sum of number and its reverse. 34 + 43 = 77
reverse, digits

Question 8

Find the missing number: 26 : 18 :: 30 : ?
The subtractor alternates: -8 then -7. So 30 - 7 = 23
subtraction, basic

Question 9

Find the missing number: 35 : 31 :: 21 : ?
The subtractor alternates: -4 then -3. So 21 - 3 = 18
subtraction, basic

Question 10

Find the missing number: 20 : 11 :: 37 : ?
The subtractor increases: -9 then -11. So 37 - 11 = 26
subtraction, basic

Question 11

Find the missing number: 33 : 11 :: 21 : ?
The relationship is dividing by 3. So 33 ÷ 3 = 11, and 21 ÷ 3 = 7
division, basic

Question 12

Find the missing number: 29 : 2 :: 17 : ?
The relationship is the gap to the next prime. Gap after 17 is 2
prime, advanced

Question 13

Find the missing number: 5 : 25 :: 2 : ?
The relationship is raising to the power of 2. So 5^2 = 25, and 2^2 = 4
square, power

Question 14

Find the missing number: 5 : 11 :: 5 : ?
Pattern: multiply by 2 and add 1. 5 × 2 + 1 = 11
pattern, sequence

Question 15

Find the missing number: 4 : 7 :: 4 : ?
The relationship is adding 3 (or double for some patterns). Here 4 + 6 = 10
addition, basic

Question 16

Find the missing number: 3 : sum of 2 terms = 9 :: 3 : sum of 2 terms = ?
Sum of 2 terms of AP: n/2 × (2a + (n-1)d). For 3, sum = 9
progression, sequence

Question 17

Find the missing number: 68 : 18 :: 83 : ?
The relationship is the difference between number and its reverse. |83 - 38| = 45
reverse, digits

Question 18

Find the missing number: 5 : 240 :: 4 : ?
The relationship is double factorial. 2 × 5! = 240, 2 × 4! = 48
factorial, advanced

Question 19

Find the missing number: 43 : 47 :: 41 : ?
The relationship is the next prime number. Next prime after 41 is 43
prime, advanced

Question 20

Find the missing number: 79 : 7 :: 64 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 79 = 7, of 64 = 1
digit, sum
Previous Worksheet Next Worksheet