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Idaya Joshua

· started a discussion

· 1 Months ago

explanation (Question: 104774.0 )

can u explain?

Question:
What will come in place of Question mark (?) in the following number series?


2, 9, 30, 105, 436, 2195, (?)

Options:
A) 13184
B) 13186
C) 13175
D) 13182
E) None of these
Solution:
Ans (d)


Knowledge Expert

· commented

· 1 Months ago

Ok see:

Q is: 2, 9, 30, 105, 436, 2195, (?)

Sol:

2*1+(1*7) = 9
9*2+(2*6)=30
30*3+(3*5)=105
105*4+(4*4)=436
436*5+(5*3)=2195
2195*6+(6*2)=13182

so, ?=13182
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