allery200 കുടുംബങ്ങളുള്ള ഗ്രാമത്തിൽ 120 കുടുംബങ്ങൾക്ക് പശുക്കളും 90 കുടുംബങ്ങൾക്ക് ആടുകളും ഉണ്ട്. 30 കുടുംബങ്ങൾക്ക് രണ്ടും ഉണ്ട്. പശുവും ആടും ഇല്ലാത്ത കുടുംബങ്ങൾ എത്ര?
A20
B10
C30
D40
Answer & Solution
Correct answer: A. 20
കുറഞ്ഞത് ഒരു = 120 + 90 - 30 = 180 ന്റെ ഉടമസ്ഥർ, അതിനാൽ 200 - 180 = 20 രണ്ടും സ്വന്തമാക്കിയിട്ടില്ല.
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