If r=3y, 15y=30z and 2z=p/3 then r=?
p/3
p/5
p
p/2
A runner who was running at fourth position in a race overtakes the runners running just ahead of him. What is the position of the runner in the race after the overtake?
First
Second
Third
Fourth
0, 1, 3, 6, 10, 15, x
19
21
22
23
1, 4, 27, 256, x
125
729
3125
91
1, 1, 2, 3, 5, 8, 13, 21, x
34
26
30
29
1, 2, 4, 8, 16, 32, 64, 128, x
256
266
276
286
1, 4, 6, 9, 11, 14, 16, 19, x
24
3, 1, 2, 0, 1, -1, x
0
1
2
3
1, 3, 5, 7, x
8
9
10
11
1, 8, 27, 64, 125, 216, x
300
343
324
334