allery100 km కోసం, కారు దాని వేగాన్ని 20 km/h నుండి 25%కి పెంచుతుంది సమయం ఆదా అయిందా?
A1/4 గంట
B1/2 గంట
C1 గంట
D2 గంటలు
Answer & Solution
Correct answer: C. 1 గంట
కొత్త వేగం గంటకు 25 కి.మీ. ప్రయాణ సమయాన్ని 100 ÷ 20 = 5 గంటల నుండి 100 ÷ 25 = 4 గంటలకు తగ్గించి, 1 గంట ఆదా అవుతుంది.
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