Question

The speeds of Avinash and Rahul are 70km/hr and 90km/hr.

Q: Answer-The speeds of Avinash and Rahul are 70km/hr and 90km/hr. Initially Rahul is at a place P and Avinash...

Let the distance covered of x km by Avinash Time taken is lsquotrsquo hours, then Distance covered by Avinash speed times time x 70 times t helliphelliphelliphelliphelliphelliphelliphelliphellipi Distance covered by Rahul 1040 - xkm by Rahul. Distance covered by Rahul speed times time 1040 ndash x 90 times t ndash 8 helliphelliphelliphelliphelliphelliphelliphelliphellipii Putting the value of lsquotrsquo in eq ii from eq i 1040 ndash x 90 times x70 ndash 8 1040 - x 9x7 ndash 720 1040 720 9x7 x 1760 16x7 x 770 km

Initially Rahul is at a place P and Avinash is at a place Q. The distance between Rahul and Avinash is 1040km. Avinash started his journey 8 hours earlier than Rahul to meet each other. If they meet each other at a place O somewhere between P and Q, then the distance between O and Q is

A 800km

B 840km

C 680km

D 770km

E None of these

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