If the mean of 2, 5, (x + 1), (x + 2), 7 and 9 is 6, find...
If the mean of 2, 5, (x + 1), (x + 2), 7 and 9 is 6, find the median.
6.5
6.0
5.5
5.0
Correct answer is C
1+5+x+6+x+2+7+96 = 6
26 + 2x = 36
2x = 36 - 26
2x = 10
x = 102 = 5
2, 5, 6, 7, 7, 9
Median = 6+72 = 6.5
Given that r=2i−j, s=3i+5j and t=6i−2j, find the magnitude of 2r+s−t...
Find the coefficient of x4 in the binomial expansion of (2+x)6...
A fair coin is tossed 3 times. Find the probability of obtaining exactly 2 heads. ...
A linear transformation is defined by T: (x, y) → (-x + y, -4y). Find the image, Q`, of Q(-3, ...
The inverse of a function is given by f−1:x→x+14....
Forces F_{1} = (8N, 030°) and F_{2} = (10N, 150°) act on a particle. Find the horizo...
Evaluate \lim \limits_{x \to 1} \frac{1 - x}{x^{2} - 3x + 2}...
The roots of a quadratic equation are (3 - \sqrt{3}) and (3 + \sqrt{3}). Find its equation....