Question

(a) Assuming that the speed of first car and second car be v km/h respectively.
What is the relative speed of both cars while they are travelling in the same direction?
(i) u+v km/hr
(ü) u - v km/hr
(ii) 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
(i) 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
(i) 40 km/hr
(iii) 100 km/hr
(iv) 20 km/hr
(e) The given problem is based on which mathematical concept
(1) Pair of linear equations
(ii) Quadratic equations
(ii) Polynomials
(iv) none of these

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Answer 1

Answer:

a I u+v

b iv uv

c Iii 100 km hr

d Iv 20 kmhr

e iii polynomial