If the length, breath and height of room are 25 m, 15 m and 30 m, respectively, then what will be the area (in m³) of the four walls of the
room?
A2400
B1200
C1600
D2000
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രണ്ട് ചതുരങ്ങളുടെ നീളങ്ങൾ യഥാക്രമം 12cm ഉം 10 cm ഉം ആണ്. വീതി യഥാക്രമം 6 cm ഉം 8 cm ഉം ആണ്. അവയുടെ പരപ്പളവുകൾ തമ്മിലുള്ള അംശബന്ധം എത്രയാണ്?