Initial speed of police = 10 m/s
Increased speed of police = 20 m/s
Speed of thief = 15 m/s
Initial difference between thief and police = 250 m
After 5 seconds difference between thief and police = 250 - (5 x 10) = 200 m
After 10 seconds more, the difference between thief and police = 200 + (5 x 10) = 250 m.
Now, the time required by police to catch the thief = 250/5 = 50 s
Distance travelled = 50 x 20 = 1000 m
Total time = 50 + 15 = 65 sec
Total distance = 1000 + (15 x 10) = 1150 m
19657 Let x - 53651 = 9999 33994 Then, x = 9999 + 53651 = 63650 ----- 53651 -----
⟹ x + 3699 + 1985 = 31111 + 2047
⟹ x + 5684 = 33158
⟹ x = 33158 - 5684 = 27474.
Let 250 / √x = 10.
Then √x= 250 / 10 = 25
∴ x = 625
Let x + 6207 - 9038 = 107
Then x = (107 +9038) - (6207)
= 2938
Let x - 4799 = 1714
Then, x = 4799 + 1714
= 6513.
Let 9501 - x = 3697
Then x = 9501 - 3697
= 5804
66066 + 6606 + 66 + 6 = 72744
Let y x 48 = 173 x 240
Then y = (173 x 240) / 48
=173 x 5
= 865 .
Let N x 11 = 555555
Then N = 555555 / 11 = 50505.
Let 87 x N = 3393
Then, N = 3393 / 87 =39 .
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