If 8 : 12 = 12 : k, then what is k?
12
8
4
18
The sides of a triangle are in the ratio 3 : 4 : 5. If the perimeter is 24 cm. What is the length of largest side?
24 cm
10 cm
4 cm
5 cm
If A : B = 3 : 2, B : C = 4 : 3 then A : B : C = ?
6 : 4 : 3
3 : 2 : 3
3 : 4 : 3
3 : 2 : 1
The three angles of a triangle are in the ratio 1 :3 : 5 then the smallest angle is:
60°
100°
20°
10°
If x : y = a : b then
bx = ay
ab = xy
xa = by
xy = 1
A profit of Rs.1581 is to be divided amongst three partners A, B and C in the ratio 1/3 : 1/2 : 1/5. The share of C will be
Rs.255
Rs.306
Rs.408
None of these
10 workers complete a job in 8 days. In how many days can 16 workers complete it ?
16
80
5
10
If a : b = 4 : 5 & b : c = 15 : 6 then the ratio a : b : c is
12 : 15 : 6
2 : 5 : 6
4 : 5 : 15
4 : 5 : 6
If 3, 5, x, 20 are in proportion then value of x is
15
9
The sides of a triangle are in the ratio of 1/2 : 1/3 : 1/4. If the perimeter is 26 cm, what is the length of the smallest side?
2
6
