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Hidden Equation - Expert Level: conceptual clarity Hidden Equation EXPERT

This skill evaluation ⚡ worksheet focuses on Hidden Equation - a key topic in Age Based Puzzles. You'll solve 20 expert-level problems (Worksheet 9 of 10). The primary focus is on conceptual clarity. Master hidden equation ssc cgl, hidden equation reasoning tricks, and fast hidden equation solving through systematic practice.

📝 Worksheet 9 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Hidden Equation
Worksheet 9 of 10 (88% complete)

Question 1

7 years ago, the ratio of Kiran's age to Amrita's age was 7:1. Currently, the ratio is 9:2. Find Kiran's present age.
Let present ages be 9k and 2k
7 years ago: (9k-7)/(2k-7) = 7/1
Solving gives k = 7, so Kiran = 63

Question 2

5 years ago, the ratio of Omar's age to Shivani's age was 5:1. Currently, the ratio is 8:3. Find Omar's present age.
Let present ages be 8k and 3k
5 years ago: (8k-5)/(3k-5) = 5/1
Solving gives k = 5, so Omar = 40

Question 3

10 years ago, the ratio of Ganesh's age to Esha's age was 9:4. Currently, the ratio is 8:1. Find Ganesh's present age.
Let present ages be 8k and 1k
10 years ago: (8k-10)/(1k-10) = 9/4
Solving gives k = 10, so Ganesh = 80

Question 4

7 years ago, the ratio of Satish's age to Siddharth's age was 4:1. Currently, the ratio is 5:2. Find Satish's present age.
Let present ages be 5k and 2k
7 years ago: (5k-7)/(2k-7) = 4/1
Solving gives k = 7, so Satish = 35

Question 5

8 years ago, the ratio of Jivika's age to Sarthak's age was 5:3. Currently, the ratio is 3:1. Find Jivika's present age.
Let present ages be 3k and 1k
8 years ago: (3k-8)/(1k-8) = 5/3
Solving gives k = 16, so Jivika = 48

Question 6

5 years ago, the ratio of Ines's age to Shivam's age was 5:2. Currently, the ratio is 6:1. Find Ines's present age.
Let present ages be 6k and 1k
5 years ago: (6k-5)/(1k-5) = 5/2
Solving gives k = 5, so Ines = 30

Question 7

4 years ago, the ratio of Chitra's age to Omar's age was 5:1. Currently, the ratio is 7:2. Find Chitra's present age.
Let present ages be 7k and 2k
4 years ago: (7k-4)/(2k-4) = 5/1
Solving gives k = 4, so Chitra = 28

Question 8

4 years ago, the ratio of Manan's age to Prem's age was 5:1. Currently, the ratio is 9:4. Find Manan's present age.
Let present ages be 9k and 4k
4 years ago: (9k-4)/(4k-4) = 5/1
Solving gives k = 4, so Manan = 36

Question 9

8 years ago, the ratio of Karuna's age to Namrata's age was 5:3. Currently, the ratio is 3:1. Find Karuna's present age.
Let present ages be 3k and 1k
8 years ago: (3k-8)/(1k-8) = 5/3
Solving gives k = 16, so Karuna = 48

Question 10

5 years ago, the ratio of Scarlett's age to Nira's age was 4:2. Currently, the ratio is 3:1. Find Scarlett's present age.
Let present ages be 3k and 1k
5 years ago: (3k-5)/(1k-5) = 4/2
Solving gives k = 10, so Scarlett = 30

Question 11

7 years ago, the ratio of Tripti's age to Gaurav's age was 7:1. Currently, the ratio is 9:2. Find Tripti's present age.
Let present ages be 9k and 2k
7 years ago: (9k-7)/(2k-7) = 7/1
Solving gives k = 7, so Tripti = 63

Question 12

8 years ago, the ratio of Lalita's age to Saachi's age was 5:1. Currently, the ratio is 8:3. Find Lalita's present age.
Let present ages be 8k and 3k
8 years ago: (8k-8)/(3k-8) = 5/1
Solving gives k = 8, so Lalita = 64

Question 13

5 years ago, the ratio of Vinod's age to Jaxson's age was 5:2. Currently, the ratio is 6:1. Find Vinod's present age.
Let present ages be 6k and 1k
5 years ago: (6k-5)/(1k-5) = 5/2
Solving gives k = 5, so Vinod = 30

Question 14

6 years ago, the ratio of Giselle's age to Liam's age was 3:1. Currently, the ratio is 7:4. Find Giselle's present age.
Let present ages be 7k and 4k
6 years ago: (7k-6)/(4k-6) = 3/1
Solving gives k = 6, so Giselle = 42

Question 15

3 years ago, the ratio of Charlotte's age to Pranav's age was 3:2. Currently, the ratio is 4:1. Find Charlotte's present age.
Let present ages be 4k and 1k
3 years ago: (4k-3)/(1k-3) = 3/2
Solving gives k = 6, so Charlotte = 24

Question 16

6 years ago, the ratio of Rajiv's age to Purvi's age was 5:2. Currently, the ratio is 4:1. Find Rajiv's present age.
Let present ages be 4k and 1k
6 years ago: (4k-6)/(1k-6) = 5/2
Solving gives k = 9, so Rajiv = 36

Question 17

8 years ago, the ratio of Ashwin's age to Eleanor's age was 6:2. Currently, the ratio is 5:1. Find Ashwin's present age.
Let present ages be 5k and 1k
8 years ago: (5k-8)/(1k-8) = 6/2
Solving gives k = 8, so Ashwin = 40

Question 18

10 years ago, the ratio of Sonam's age to Ranveer's age was 9:4. Currently, the ratio is 8:1. Find Sonam's present age.
Let present ages be 8k and 1k
10 years ago: (8k-10)/(1k-10) = 9/4
Solving gives k = 10, so Sonam = 80

Question 19

4 years ago, the ratio of Sophie's age to Ratna's age was 3:1. Currently, the ratio is 5:2. Find Sophie's present age.
Let present ages be 5k and 2k
4 years ago: (5k-4)/(2k-4) = 3/1
Solving gives k = 4, so Sophie = 20

Question 20

4 years ago, the ratio of Felix's age to Mahak's age was 5:1. Currently, the ratio is 7:2. Find Felix's present age.
Let present ages be 7k and 2k
4 years ago: (7k-4)/(2k-4) = 5/1
Solving gives k = 4, so Felix = 28
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