ATQ,
Time taken by them to travel before they meet = 720/(60 + 40) = 7.2 hours According to question, 7.2[60 – 40] = (d + 60) 7.2 × 20 = (d + 60) 144 = (d + 60) d = 144 – 60, d = 84
171, 86, 87, 132, 266, 668
140 150 175 185 210 225
...178, 184, 196, 216, 246, 286
-5, 20, 9, 88, 94, 252
16, 19, 28, 44, 76, 140, 268
Find the wrong number in given number series.
1500, 1450, 1390, 1350, 1240, 1150
127, 137, 148, 164, 169, 185, 199
12, 29, 64, 151, 322, 669
97, 98, 107, 132, 181, 264
0.15, 3.15, 12.30 , 45.90, 195.60, 998