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DIYA SARKAR

· started a discussion

· 1 Months ago

125 is also correct (Question: 89871.4 )

5x3=15
3+2=5
5x5=25
5+4=9
5x9=45
9+6=17
5x17=85
17+8=25
5x25=125


Question:
DIRECTIONS: What will come in place of the question mark (?) in the following number series?
15     25     45       85      ?
Options:
A) 97
B) 125
C) 156
D) 165
E)

59

Solution:
Next number is formed by ×2-5 to previous number.

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Your logic is not appropriate. Please go through the given explanation.

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