Which is the hardest number sequence to solve?

Next follows a number sequences aptitude test with 21 of the hardest number sequences on the web! Can you solve them all? What are the missing numbers in the number sequences shown below?

Which is the full sequence of tetranacci numbers?

With a tetranacci sequence each subsequent number is the sum of the previous four, so the full sequence looks like this: 0, 0, 0, 1, 1, 2, 4, 8, 15, 29, 56, 108, 208, 401. This sequence can be very hard if you have no idea were to look, therefore learn to recognise these types of sequences. However…

What is the sequence N ⋅ A N = 60?

So the sequence can be defined as n ⋅ a n = 60 ⋅ ( 2 n − 1), and this holds whatever the question mark is (because 0 ⋅? = 0 ). (This of course builds on IAmInPLS’s answer, but as he didn’t quite get there I allowed myself to put my own version.)

Which is the most likely answer to this sequence?

There are often more answers correct to most likely answer to this sequence as it is presented is probably 400. 2. This sequence consists out of two alternating series. The first series shows the relation between the 1st and 3rd number, 3rd and 5th etc. in this case this following relation exists: 34-13=21. The next number in the sequence is -21.

Which is an example of a sequence of numbers?

A Sequence is a list of things (usually numbers) that are in order. {1, 2, 3, 4.} is a very simple sequence (and it is an infinite sequence) {1, 3, 5, 7} is the sequence of the first 4 odd numbers (and is a finite sequence)

How to solve a number sequence word problem?

Step 1: Look for a pattern between the given numbers. Step 2: Decide whether to use +, -, × or ÷ Step 3: Use the pattern to solve the sequence. Examples: 2, 5, 8, 11, _, _, _ 2, 4, 8, 16, _, _, _ 15, 12, 9, _, _, _ 48, 24, 12, _, _, _ Show Step-by-step Solutions Sequences – Find the nth term • Describe a linear sequence • Find the next few terms

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