alleryଏକ ଯାତ୍ରାରେ ସ୍ଥିର 60 km/h ବେଗରେ 120 km ଅତିକ୍ରମ କରାଯାଏ। ଲାଗୁଥିବା ସମୟ ହେଉଛି:
A1.5 ଘଣ୍ଟା
B2 ଘଣ୍ଟା
C2.5 ଘଣ୍ଟା
D3 ଘଣ୍ଟା
Answer & Solution
Correct answer: B. 2 ଘଣ୍ଟା
1. ସମୟ ହେଉଛି ଦୂରତା ଭାଗ ଗତି।
2. ଏଠାରେ ଦୂରତା 120 km ଏବଂ ଗତି 60 km per hour ଅଟେ।
3. ତେଣୁ ସମୟ ହେଉଛି 120 / 60।
4. ତାହା ହେଉଛି 2 hours।
5. ଅନ୍ୟ ଭାବରେ ଯାଞ୍ଚ କଲେ, 2 hours ପାଇଁ 60 km per hour ବେଗରେ 120 km ଦୂରତା ଅତିକ୍ରମ ହୁଏ।
_Source: syllabus Maths, Ch 11 'Direct and Inverse Proportions', S11.3 Inverse Proportion_
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