If no husband and wife play in the same game, then the number of ways in which a mixed double game can be arranged from among nine married couples is
The number of ways of dividing 20 persons into 10 couples is
If the progressions 3, 10, 17, ....... and 63, 65, 67, ....... are such that their nth terms are equal, then n is equal to
If f : R → R is defined by
then f(4) =
If f(x) = x/1+x is defined as [0,∞) → [0, ∞), then f(x) is
∞
If nC4, nC5 and nC6 are in AP, then the value of n can be
If A and B are two matrices such that AB = B and BA = A, then A2 + B2 is equal to
Let S1, S2, … be squares such that for each n ≥ 1, the length of a side of Sn equals the length of a diagonal of Sn + 1. If the length of a side of S1 is 10 cm, then the smallest value of n for which Area (Sn) < 1 is
What is the circumradius of a triangle with length of sides as 6 units, 8 units and 10 units?
If no husband and wife play in the same game, then the number of ways in which a mixed double game can be arranged from among nine married couples is
Which of the following pieces of data does not uniquely determine the acute-angled ΔABC (R = circumradius)?
20 tests
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