allery100 km માટે, કાર તેની ઝડપ 20 km/h થી 25% વધારી દે છે. સમય બચાવ્યો?
A1/4 કલાક
B1/2 કલાક
C1 કલાક
D2 કલાક
Answer & Solution
Correct answer: C. 1 કલાક
નવી ઝડપ 25 km/h છે, જે મુસાફરીનો સમય 100 ÷ 20 = 5 કલાકથી ઘટાડીને 100 ÷ 25 = 4 કલાક કરે છે અને 1 કલાકની બચત કરે છે.
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