The speed of a van increases by 5 kmph after every one hour. If the distance travelled in the first one hour was 55 km, what was the total distance travelled in 8 hours?

(A) 116 km
(B) 147 km
(C) 240 km
(D) 580 km

John is travelling on his bike and has calculated to reach point P at 4 pm if he travels at 20 kmph. He will reach there at 12 noon if he travels at 30 Kmph. At what speed must he travel to reach P at 2 pm?

(A) 12 Kmph
(B) 16 Kmph
(C) 18 Kmph
(D) 24 Kmph

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