The least common multiple of a and b is 42. The LCM of 5a and 11b is:
A4620
B210
C462
D2310
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രണ്ട് സംഖ്യകളുടെ HCF, LCM എന്നിവ യഥാക്രമം 7 ഉം 140 ഉം ആണ്. സംഖ്യകൾ 20 നും 45 നും ഇടയിലാണെങ്കിൽ, സംഖ്യകളുടെ ആകെത്തുക