In a class of 46 students, 22 play football and 26 play v...
In a class of 46 students, 22 play football and 26 play volleyball. If 3 students play both games, how many play neither?
1
2
3
4
Correct answer is A
n(f \(\cap\) v) + n(f) + n(v) + n(f \(\cap\) v) = 46
3 + 19 + 23 + x = 46
22 + 23 + x = 46
45 + x = 46
x = 46 - 45
x = 1
Factorize m\(^3\) - m\(^2\) + 2m - 2...
Find the sum of the first 18 terms of the series 3, 6, 9,..., 36. ...
If the angles of quadrilateral are (p + 10)°, (2p - 30)°, (3p + 20)° ...
Solve the inequality: \(\frac{1}{3}(2x - 1) < 5\)...
Find the simple interest rate percent per annum at which N1,000 accumulates to N1,240 in 3 years...
Integrate \(\frac{2x^3 + 2x}{x}\) with respect to x...
In the diagram, PQS is a circle with center O. RST is a tangent at S and ∠SOP = 96o. Find ∠P...