The 4th term of an A.P. is 13 while the 10th term is 31. ...
The 4th term of an A.P. is 13 while the 10th term is 31. Find the 24th term.
89
75
73
69
Correct answer is C
a + 3d = 13 .......... (1)
a + 9d = 31 .......... (2)
(2) - (1): 6d = 18
d = 18/6 = 3
From (1), a + 3(3) = 13
a + 9 = 13
a = 13 - 9 = 4
Hence,
T24 = a + 23d
T24 = 4 + 23(3)
T24 = 4 + 69
T24 = 73
In the diagram, STUV is a straight line. < TSY = < UXY = 40o and < VUW = 110o. Calculate < TYW...
If y = x2 - \(\frac{1}{x}\), find \(\frac{\delta y}{\delta x}\)...
Simplify and express in standard form \(\frac{0.00275 \times 0.00640}{0.025 \times 0.08}\)...
If x \(\alpha\) (45 + \(\frac{1}{2}y\)), which of the following is true>?...