MAH-CET 2025 — Reasoning PYQ
MAH-CET | Reasoning | 2025Find the next number in the series: 2, 6, 12, 20, 30,______
Choose the correct answer:
- A.
36
- B.
42
(Correct Answer) - C.
44
- D.
48
42
Explanation
Step 1: Differences calculate karein
6−2=4
12−6=6
20−12=8
30−20=10
Step 2: Agla difference nikalna
Differences ka sequence 4,6,8,10,… hai, jo 2 se badh raha hai.
Agla difference:
10+2=12
Step 3: Agla number calculate karein
30+12=42
Alternative Method (n2+n):
-
12+1=2
-
22+2=6
-
32+3=12
-
42+4=20
-
52+5=30
-
62+6=42
Final Answer:
42
Explanation
Step 1: Differences calculate karein
6−2=4
12−6=6
20−12=8
30−20=10
Step 2: Agla difference nikalna
Differences ka sequence 4,6,8,10,… hai, jo 2 se badh raha hai.
Agla difference:
10+2=12
Step 3: Agla number calculate karein
30+12=42
Alternative Method (n2+n):
-
12+1=2
-
22+2=6
-
32+3=12
-
42+4=20
-
52+5=30
-
62+6=42
Final Answer:
42

