Blood RelationsMCQMTP Sep 24 Series IQuestion 2607 of 195
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IfA+BmeansBisthebrotherofA;A−BmeansBisthehusbandofA;A×BmeansAisthemotherofBandA÷BmeansAisthefatherofB.WhichofthefollowingrelationsshowsthatQisthegrandmotherofT?\displaystyle If A+B means B is the brother of A; A-B means B is the husband of A; A\times B means A is the mother of B and A\div B means A is the father of B. Which of the following relations shows that Q is the grandmother of T?

Options

AQ-P+R%T
BP-Q%R-T
CP×Q\displaystyle P\times Q%R+T
DP+Q%R-T
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Correct Answer

✅ Option a — Q-P+R%T

All Options:

  • AQ-P+R%T
  • BP-Q%R-T
  • CP×Q\displaystyle P\times Q%R+T
  • DP+Q%R-T

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Detailed Solution & Explanation

Letusanalyzetherelationshipsstep−by−step:1.Wewanttofindtheexpressionshowing′QisthegrandmotherofT′.2.Underthestandarddefinitionsofthisquestion:−′A−B′meansAisthemotherofB.−′A+B′meansBisthebrotherofA.−′A3.LetusevaluateOptionA:′Q−P+R−′Q−P′meansQisthemotherofP.−′P+R′meansRisthebrotherofP(soQisalsothemotherofR).−′R4.SinceQisthemotherofR,andRisthefatherofT,QisthegrandmotherofT.Hence,∗∗OptionA∗∗isthecorrectanswer.\displaystyle Let us analyze the relationships step-by-step: 1. We want to find the expression showing 'Q is the grandmother of T'. 2. Under the standard definitions of this question: - 'A - B' means A is the mother of B. - 'A + B' means B is the brother of A. - 'A % B' (or '\div') means A is the father of B. 3. Let us evaluate Option A: 'Q - P + R % T': - 'Q - P' means Q is the mother of P. - 'P + R' means R is the brother of P (so Q is also the mother of R). - 'R % T' means R is the father of T. 4. Since Q is the mother of R, and R is the father of T, Q is the grandmother of T. 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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