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Saturday, 31 October

Same idea in other shifts

Asked 11× in all
  1. 4 Apr 2026, Shift 2 · Q17Let A={(a,b,c):a,b,cA=\{(a,b,c):a,b,c are non-negative integers and a+b+2c=22}a+b+2c=22\}. Then n(A)n(A) is equal to:MediumSingle correct
  2. 9 Apr 2024, Shift 2 · Q23The number of integers, between 100 and 1000 having the sum of their digits equals to 14, is ______________.MediumNumerical value
  3. 1 Feb 2024, Shift 1 · Q24The number of elements in the set S={(x,y,z):x,y,z∈Z,x+2y+3z=42,x,y,z≥0}S=\{(x,y,z): x,y,z\in\mathbb{Z}, x+2y+3z=42, x,y,z\geq0\} equals __________.MediumNumerical value
  4. 31 Jan 2024, Shift 2 · Q5The number of ways in which 21 identical apples can be distributed among three children such that each child gets at least 2 apples, isEasySingle correct
  5. 11 Apr 2023, Shift 1 · Q4The number of triplets (x,y,z)(x, y, z), where x,y,zx, y, z are distinct non negative integers satisfying x+y+z=15x + y + z = 15, isMediumSingle correct
  6. 27 Jun 2022, Shift 2 · Q23Let AA be a matrix of order 2×22\times2, whose entries are from the set {0,1,2,3,4,5}\{0, 1, 2, 3, 4, 5\}. If the sum of all the entries of AA is a…HardNumerical value
  7. 28 Jun 2022, Shift 2 · Q3The number of ways to distribute 30 identical candies among four children C1,C2,C3C_1, C_2, C_3 and C4C_4 so that C2C_2 receives atleast 4 and…MediumSingle correct
  8. 25 Feb 2021, Shift 1 · Q78The total number of positive integral solutions (x,y,z)(x, y, z) such that xyz=24xyz = 24 is :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.