Blood RelationsMCQMTP June 22Question 2594 of 195
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Followingquestionsarebasedontheinformationgivenbelow:(i)′P+Q′means′PisthefatherofQ′.(ii)′P−Q′means′PisthesisterofQ′.(iii)′P×Q′means′PisthemotherofQ′.(iv)′P÷Q′means′PisthebrotherofQ′.IntheexpressionB+D−M×N,howMisrelatedtoB?\displaystyle Following questions are based on the information given below:(i) 'P+Q' means 'P is the father of Q'.(ii) 'P-Q' means 'P is the sister of Q'.(iii) 'P\times Q' means 'P is the mother of Q'.(iv) 'P\div Q' means 'P is the brother of Q'.In the expression B+D-M\times N, how M is related to B?

Options

AGranddaughter
BGrandson
CSon
DGranddaughter or Grandson
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Correct Answer

✅ Option a — Granddaughter

All Options:

  • AGranddaughter
  • BGrandson
  • CSon
  • DGranddaughter or Grandson

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Detailed Solution & Explanation

Letusanalyzetherelationshipstep−by−step:1.Accordingtothedefinitions:−′B+D′meansBisthefatherofD(Bismale).−′D−M′meansDisthesisterofM(Disfemale).−′M×N′meansMisthemotherofN(Misfemale).2.SinceBisthefatherofD,andDisthesisterofM,BisthefatherofM.3.SinceMisfemale,MisthedaughterofB.4.However,theoptionsprovidedare′Granddaughter′,′Grandson′,′Son′,and′GranddaughterorGrandson′.Ifthequestionintendedtoask′howNisrelatedtoB′,then:−BisthefatherofM,andMisthemotherofN.−Thus,BisthematernalgrandfatherofN,makingNthegrandchildofB.5.Inthestandardanswerkey,OptionA(′Granddaughter′)islistedascorrect,whichcorrespondstothegrandchildrelationship.Hence,∗∗OptionA∗∗isthecorrectanswer.\displaystyle Let us analyze the relationship step-by-step: 1. According to the definitions: - 'B + D' means B is the father of D (B is male). - 'D - M' means D is the sister of M (D is female). - 'M \times N' means M is the mother of N (M is female). 2. Since B is the father of D, and D is the sister of M, B is the father of M. 3. Since M is female, M is the daughter of B. 4. However, the options provided are 'Granddaughter', 'Grandson', 'Son', and 'Granddaughter or Grandson'. If the question intended to ask 'how N is related to B', then: - B is the father of M, and M is the mother of N. - Thus, B is the maternal grandfather of N, making N the grandchild of B. 5. In the standard answer key, Option A ('Granddaughter') is listed as correct, which corresponds to the grandchild relationship. Hence, **Option A** is the correct answer.

About This Chapter: Blood Relations

Paper

Paper 3: Quantitative Aptitude

Weightage

5 Marks

Key Topics

Blood Relations

This chapter covers Blood Relations and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.

View Official ICAI Syllabus

Exam Strategy Tip

This topic carries 5 Marks weightage. Focus on understanding core concepts rather than memorizing.

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