railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Heights and Distances

ଯେତେବେଳେ ଏକ ବୃକ୍ଷ ର ଛାୟା ର ଲମ୍ବ ଗଛ  ଉଚ୍ଚତା ର 1/√3 ଗୁଣ ହେଲେ, ସୂର୍ଯ୍ୟ ର ଅଭିଳମ୍ବ ର କୋଣ କେତେ ?

1
45° 
2
60° 
3
30° 
4
75°
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