Question

Study Based 4

Places A and B are 100 km apart on a highway. One car starts from A and

another from B at the same time. If the cars travel in the same direction at

different speeds, they meet in 5 hours. If they travel towards each other,

they meet in 1 hour.

A B

100km

a) Assuming that the speed of first car be u km/hr and second car be

v km/hr respectively. What is the relative speed of both cars while

they are travelling in the same direction?

i) u + v km/hr ii)u - v km/hr iii)u/v km/hr iv)uv km/hr

b) What is the relative speed of both cars while they are travelling

towards each other?

i) u + v km/hr ii)u - v km/hr iii)u/v km/hr iv)uv km/hr

c) What is the actual speed of one car?

i) 60 km/hr ii) 40 km/hr iii) 100 km/hr iv) 20 km/hr

d) What is the actual speed of other car?

i) 60 km/hr ii) 40 km/hr iii) 100 km/hr iv) 20 km/hr

e) The given problem is based on which mathematical concept?

i) Pair of linear equations ii) Quadratic equations

iii) Polynomials iv) None of these​

Answer 1

Answer:

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