Question

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) # 9 3 6 9 & & © 9 € 9 8 © 4 $ # 3 4 $ * € £ (Right) How many such symbols are there which are immediately preceded by a number and also immediately followed by a symbol?

• A. 4
• B. 2
• C. 3
• D. 5

Answer 1

Answer:

C. 3

To find the correct answer, let's look for the specific sequence pattern: Number $\rightarrow$ Symbol $\rightarrow$ Symbol.

Here is the full series from left to right:

9 3 6 9 & & © 9 € 9 8 © 4 # 3 4 * € £

Let's scan each symbol to see if it fits the rule:

1. First & is preceded by 9 (number) and followed by & (symbol).

   • Sequence: 9 & & $\rightarrow$ Valid (1)

2. Second & is preceded by & (symbol).

   • Sequence: & & © $\rightarrow$ Invalid (not preceded by a number)

3. First © is preceded by & (symbol).

   • Sequence: & © 9 $\rightarrow$ Invalid

4. € is preceded by 9 (number) but followed by 9 (number).

   • Sequence: 9 € 9 $\rightarrow$ Invalid (not followed by a symbol)

5. Second © is preceded by 8 (number) but followed by 4 (number).

   • Sequence: 8 © 4 $\rightarrow$ Invalid (not followed by a symbol)

6. First is preceded by 4 (number) and followed by # (symbol).

   • Sequence: 4 # $\rightarrow$ Valid (2)

7. Second # is preceded by $</code> (symbol).</p><ul style="color: rgb(0,0,0);"><li><p data-pxy="true" style="color: rgb(0,0,0); margin-top: 2px; margin-bottom: 2px;"><b><span>Sequence:</span></b> <code color="rgb(0,0,0)" style="padding: 2px 4px; border-radius: 4px; border: 1px solid rgb(224, 224, 224); background: rgb(51, 51, 51); color: rgb(0,0,0); font-size: 0.9em; line-height: 1.4;">$ # 3 $\rightarrow$ Invalid

8. Second $</code> is preceded by <code color="rgb(0,0,0)" style="padding: 2px 4px; border-radius: 4px; border: 1px solid rgb(224, 224, 224); background: rgb(51, 51, 51); color: rgb(0,0,0); font-size: 0.9em; line-height: 1.4;">4</code> (number) and followed by <code color="rgb(0,0,0)" style="padding: 2px 4px; border-radius: 4px; border: 1px solid rgb(224, 224, 224); background: rgb(51, 51, 51); color: rgb(0,0,0); font-size: 0.9em; line-height: 1.4;">*</code> (symbol).</p><ul style="color: rgb(0,0,0);"><li><p data-pxy="true" style="color: rgb(0,0,0); margin-top: 2px; margin-bottom: 2px;"><b><span>Sequence:</span></b> <code color="rgb(0,0,0)" style="padding: 2px 4px; border-radius: 4px; border: 1px solid rgb(224, 224, 224); background: rgb(51, 51, 51); color: rgb(0,0,0); font-size: 0.9em; line-height: 1.4;">4$ * $\rightarrow$ Valid (3)

9. * is preceded by $</code> (symbol).</p><ul style="color: rgb(0,0,0);"><li><p data-pxy="true" style="color: rgb(0,0,0); margin-top: 2px; margin-bottom: 2px;"><b><span>Sequence:</span></b> <code color="rgb(0,0,0)" style="padding: 2px 4px; border-radius: 4px; border: 1px solid rgb(224, 224, 224); background: rgb(51, 51, 51); color: rgb(0,0,0); font-size: 0.9em; line-height: 1.4;">$ * € $\rightarrow$ Invalid

10. Second € is preceded by * (symbol).

    • Sequence: * € £ $\rightarrow$ Invalid

11. £ is preceded by € (symbol) and followed by nothing.

    • Sequence: € £ $\rightarrow$ Invalid

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There are exactly 3 such symbols (&, $</code>, and <code color="rgb(0,0,0)" style="padding: 2px 4px; border-radius: 4px; border: 1px solid rgb(224, 224, 224); background: rgb(51, 51, 51); color: rgb(0,0,0); font-size: 0.9em; line-height: 1.4;">$) that meet the criteria.