seies question

JEE Mains 2015 Discussion Forum › Fundamentals questions › seies question

4,5,8,17,44,
how to calculate next no. in series

how to crack these question
and how to crack matrix question
i want to know fastest method not time consuming method

#Mathematics #Fundamentals

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6 Answers

1

Indraneel Chatterjee ·2008-12-19 05:11:56

is it 35??

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1

skygirl ·2008-12-19 05:18:56

is the next no -38 ?

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1

Pavithra Ramamoorthy ·2008-12-19 05:22:15

is it 31?????

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1

Pratik Kumar ·2008-12-19 08:58:17

It is 125
100% sure
u can see that the difference of each term is in gp
and i think this ques was from imo....class xi

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9

Celestine preetham ·2008-12-19 10:04:06

yes pratik is right

did imo get over in our school its on jan8

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1

skygirl ·2008-12-19 21:09:30

heeyyyyyyyyyyy!!
akash has changed the question!!

firstly he had written 4,58,17,44...

thats y i gave an answer -38.

(58-4=+54, 17-58=-41, 44-17=+27,
so thot that in the next no. may be the diff will be -82 so its -38...)

but now its ofcourse 125..

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

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∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω