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ഒരു ക്ലാസ്സിൽ അനന്തുവിന്റെ റാങ്ക് മുൻപിൽ നിന്നും 17-ാ മതും പുറകിൽ നിന്ന് 28-ാ മതുമാണ്. ക്ലാസ്സിലെകുട്ടികളുടെ എണ്ണമെത്ര ?

A44

B45

C43

D46

Answer:

A. 44

Read Explanation:

17+28-1=44


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വരിയായി അടുക്കി വച്ചിരിക്കുന്ന റോസാ ചെടികളിൽ ഒരെണ്ണത്തിൽ മാത്രമാണ് പൂക്കൾ ഉള്ളത് . മുന്നിൽ നിന്നും എണ്ണുമ്പോൾ ആ ചെടി 32 മത് ഇരിക്കുന്നു . പിന്നിൽ നിന്ന് എണ്ണുമ്പോൾ അത് പതിനേഴാമത് ഇരിക്കുന്നു. എങ്കിൽ ആ വരിയിൽ ആകെ എത്ര റോസാ ചെടികളുണ്ട് ?