If the second and fourth term of a G.P are 8 and 32 respe...
If the second and fourth term of a G.P are 8 and 32 respectively,what is the sum of the first four terms?
28
40
48
60
68
Correct answer is D
ar = 8 .....(1)
ar3 = 32 .....(2)
r2 = 4 r = 2 ∴ a = 4
The straight line y = mx - 4 passes through the point(-4,16). Calculate the gradient of the line ...
If (x + 2) is a factor of x2 +px - 10, find the value of P. ...
Which of the following is/are true? In a plane, the locus of points I. Equidistant from a straigh...
For a class of 30 students, the scores in a Mathematics test out of 10 marks were as follows; 4,5...
Two distinct sectors in the same circle substend 100° and 30° respectively at the centre of ...
In the diagram above, O is the center of the circle and ∠POR = 126°. Find ∠PQR ...