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N-Dubz have had one number 1 single with 'Number 1' (featuring Tinchy Stryder). However, Tulisa has had a solo number 1 with 'Young' and Dappy did with 'No Regrets'.

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How many number 1s has N-dubz had?

1- Number 1 feat. Tinchy Stryder


How many number 1 hits have n-dubz had?

they have not yet had a number one single, but two number 1 albums. however dappy on behalf of fazer and tulisa featured on number one which lived up to its name and became number one!


How many 3 number combinations could have sum of 23?

Infinitely many. Consider any integer n and then the triplet (23, n, -n). Whatever the value of n, the triplet will always sum to 23. And since n is an arbitrary integer there are infinitely many such triplets. Next you could try (22, n, 1-n). Again, an infinite number of these. And an infinite number of (21, n, 2-n), and so on ...


How can a series of an infinite number of terms have an infinite answer?

Condsider the sequence of 1s. And let Sn be the sum of the first n terms. Then S1 = 1, S2 = 2, S3 = 3 and so on. As the number of terms becomes larger so does the corresponding S. As n tends to infinity, so does Sn. A "proper" proof would be to show that if you give me any number X (however large), I can find a number k such that Sn is greater than X for all n greater than k.


How many diagonals do hexagons have?

The number of diagonals in an n-sided polygon is given by nC2 - n (where n is the number of sides of the polygon) or in the expanded form: factorial (n) _______________________ {factorial (2) * factorial (n-2)} substituting (n = 6) for a hexagon we get the number of diagonals as 9. Similarly, substituting (n=5) for a pentagon we get the number of diagonals as 5.