NIMCET 2014 — Reasoning PYQ
NIMCET | Reasoning | 2014Find the number that comes next in the series: 120,99,80,63,48,…
Choose the correct answer:
- A.
35
(Correct Answer) - B.
38
- C.
39
- D.
40
35
Explanation
Step 1: Calculate the differences between terms
-
120−99=21
-
99−80=19
-
80−63=17
-
63−48=15
Step 2: Identify the pattern of differences
The differences are 21,19,17,15. Notice that each difference is 2 less than the previous one.
Step 3: Find the next difference and term
The next difference in the sequence should be:
Now, subtract this from the last term in the series:
Explanation
Step 1: Calculate the differences between terms
-
120−99=21
-
99−80=19
-
80−63=17
-
63−48=15
Step 2: Identify the pattern of differences
The differences are 21,19,17,15. Notice that each difference is 2 less than the previous one.
Step 3: Find the next difference and term
The next difference in the sequence should be:
Now, subtract this from the last term in the series:
