Mathematics
If p, q, and r are in continued proportion, then :
p : q = p : r
q : r = p2 : q2
p : q2 = r : p2
p : r = p2 : q2
Related Questions
In solving a quadratic equation, one of the values of the variables x is 233.356. The solution rounded to two significant figures is :
233.36
233.35
233.3
230
In the adjoining diagram, AB = x cm, BC = y cm and x - y = 7 cm. Area of △ ABC = 30 cm2. The length of AC is :
10 cm
12 cm
13 cm
15 cm
The ratio of diameter to height of a Borosil cylindrical glass is 3 : 5. If the actual diameter of the glass is 6 cm, then the curved surface area of the glass is :
120π
60π
30π
18π
If the polynomial 2x3 + 3x2 - 2x - 3 is completely divisible by (2x + a), and the quotient is equal to (x2 - 1), then one of the values of a is :
-3
-1
1
3