alleryજો ઝડપમાં 25% નો વધારો થાય, તો ચોક્કસ મુસાફરીના સમયમાં કેટલા ટકાનો ઘટાડો થાય છે?
A15%
B30%
C25%
D20%
Answer & Solution
Correct answer: D. 20%
નવો સમય જૂના સમય કરતાં 1/1.25 = 0.8 ગણો થાય છે, એટલે કે 20% નો ઘટાડો.
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