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Saturday, 31 October

JEE Main 2023 · MathsMultiple choiceSingle correctMediumConceptual

JEE Main 10 April 2023, Shift 2, Maths Q17

Question 17 of 90 in this shift, Maths question 17 of 30, Section A.

If the points P and Q are respectively the circumcenter and the orthocentre of a ΔABC\Delta ABC, then PA→+PB→+PC→\overrightarrow{PA} + \overrightarrow{PB} + \overrightarrow{PC} is equal to
  1. (1)2QP→2\overrightarrow{QP}
  2. (2)QP→\overrightarrow{QP}
  3. (3)PQ→\overrightarrow{PQ}Official answer
  4. (4)2PQ→2\overrightarrow{PQ}

Official answer

Option 3

NTA final key.

Same topic in other shifts

All Dot Product questions
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  3. 2 Apr 2026, Shift 2 · Q16Two adjacent sides of a parallelogram PQRSPQRS are given by PQ⃗=j^+k^\vec{PQ} = \hat{j} + \hat{k} and PS⃗=i^−j^\vec{PS} = \hat{i} - \hat{j}. If the side…MediumSingle correct
  4. 2 Apr 2025, Shift 1 · Q11If a⃗\vec{a} is a nonzero vector such that its projections on the vectors 2i^−j^+2k^2\hat{i}-\hat{j}+2\hat{k}, i^+2j^−2k^\hat{i}+2\hat{j}-2\hat{k} and…MediumSingle correct
  5. 7 Apr 2025, Shift 2 · Q15Let a⃗\vec{a} and b⃗\vec{b} be the vectors of the same magnitude such that…MediumSingle correct
  6. 8 Apr 2025, Shift 2 · Q14Let a⃗=i^+2j^+k^\vec{a} = \hat{i} + 2\hat{j} + \hat{k} and b⃗=2i^+j^−k^\vec{b} = 2\hat{i} + \hat{j} - \hat{k}. Let c^\hat{c} be a unit vector in the plane of…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.