alleryA અને B એક જ રસ્તો અનુક્રમે 45 અને 30 મિનિટમાં કાપે છે. તેમની ઝડપનો ગુણોત્તર કેટલો થાય?
A3 : 2
B4 : 9
C9 : 4
D2 : 3
Answer & Solution
Correct answer: D. 2 : 3
ઝડપ સમયના વ્યસ્ત પ્રમાણમાં બદલાય છે, તેથી A : B = 30 : 45 = 2 : 3.
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