Question :
Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
$-\frac{7}{4}$, –1, –0.25, ?, $\frac{5}{4}$, 2
Option 1: 0.5
Option 2: 0.75
Option 3: 0.25
Option 4: 1
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Correct Answer: 0.5
Solution :
Given:
$-\frac{7}{4}$, –1, –0.25, ?, $\frac{5}{4}$, 2
First, convert all the fractional values into decimals –
$-\frac{7}{4}$ = –1.75, –1, –0.25, ?, $\frac{5}{4}$ = 1.25, 2
Let's apply the pattern –
–1.75 + 0.75 = –1 ; –1 + 0.75 = –0.25; –0.25 + 0.75 = 0.5; 0.5 + 0 .75 = 1.25; 1.25 + 0.75 = 2
The missing number is 0.5. Hence, the first option is correct.
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