allery60 km यात्रा पर, 20 km/h के बजाय 30 का उपयोग करने से कितना समय बचता है?
A2 घंटे
B1/4 घंटा
C1 घंटा
D1/2 घंटा
Answer & Solution
Correct answer: C. 1 घंटा
यात्रा का समय 60 ÷ 20 = 3 घंटे और 60 ÷ 30 = 2 घंटे है, जिससे 1 घंटे की बचत होती है।
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