More Previous Year Paper Questions
The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then the average of c and d is:
If x + y + z = 10 and x² + y² + z² = 36, then what is the value of x y + y z + z x?
A poly-bag contains (3a - 4) red, (2a - 3) white, and (a - 1) black rubber bands. Two rubber bands are drawn randomly from the bag, and the probability ...
If (x + y) = 6 and (x2 + y2) = 20, then the value of (x – y)2 is equal to:
{(21/20) + (20/21)}2 - {(21/20) - (20/21)}2 = ?
If x  = 107, then find the value of x(x2 - 12x + 48) ?
If a = 2 + √3, then the value of `(a^(6) + a^(4) + a^(2) + 1)/(a^(3))` is
- If, a 3 Â + b 3 Â = 485 and a + b = 5, then find the value of (1/a) + (1/b) .
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