Question
One summer peter visits 4 villages (A, B, C and D) in a
random order. Find the probability that he visits (i) A before B (ii) A before B and B before C respectively?Solution
The correct answer is C
3 4.5 6.75 10.125 15.1875 22.78125 ?
...If   43         34    x          36        39          38
Then,  (x/2)  + 0.5 + x  = ?
...23   27    54    ?       195    231
...[(288)2 ÷ 96 × ?] ÷ 44 = 432
5 11 32 65 ? 389
...1 4 13 46 ? 976
...44 23 21 34.5 ? 167.5
...27   44    63    86   ?      146
3, 4, 10, 33, 136, ?, 4116
32, 65 , 196, 785, ? , 23557