Question Details

You are given two identical sequences in two rows:


Sequence I: 8 4 6 15 52.5 236.25
Sequence II: 5 A B C D E

What is the entry in the place of C for the Sequence-II?

Options

A

2.5

B

5

C

9.375

D

32.8125

Show Answer

Correct Answer :

Option C

9.375

Solution :

The correct answer is 9.375.


To find the entry in place of C for Sequence II, we first need to determine the rule/pattern followed by Sequence I.


Step 1: Analyze the pattern in Sequence I

Looking at Sequence I: 8, 4, 6, 15, 52.5, 236.25

Let's calculate the multiplier between consecutive numbers:

8×0.5=4

4×1.5=6

6×2.5=15

15×3.5=52.5

52.5×4.5=236.25

The rule is to multiply each term by successive numbers starting at 0.5 and increasing by 1 each time (i.e., 0.5, 1.5, 2.5, 3.5, 4.5...).


Step 2: Apply the same pattern to Sequence II

Sequence II starts with 5:

A=5×0.5=2.5

B=2.5×1.5=3.75

C=3.75×2.5=9.375


Therefore, the value of C in Sequence II is 9.375.

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