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മൂന്ന് സംഖ്യകളുടെ ആകെത്തുക 280 ആണ്. ആദ്യത്തെയും രണ്ടാമത്തെയും തമ്മിലുള്ള അനുപാതം 2 : 3 ആണ്, രണ്ടാമത്തെയും മൂന്നാമത്തെയും സംഖ്യകൾ തമ്മിലുള്ള അനുപാതം 4 : 5 ആണ്. രണ്ടാമത്തെ സംഖ്യ കണ്ടെത്തുക.

A90

B95

C96

D92

Answer:

C. 96

Read Explanation:

A + B + C = 280 A : B = 2 : 3 B : C = 4 : 5 A : B : C = 8 : 12 : 15 8x + 12x + 15x = 280 35x = 280 x = 8 രണ്ടാമത്തെ സംഖ്യ= B = 12x = 12 × 8 = 96


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