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Class 11 Mathematics — Chapter 12: Introduction to Three Dimensional Geometry
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Mathematics, Chapter 12 (Introduction to Three Dimensional Geometry). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
Number of octants in 3D:
A.8✓ correct
B.4
C.6
D.2
Why
Three axes divide space into 8 regions.
Q2Medium
Distance between (1,2,3) and (1,2,5):
A.2✓ correct
B.3
C.4
D.5
Why
Only z differs by 2.
Q3Hard
Point dividing (1,2,3),(7,8,9) in ratio 2:1 internally:
A.(5,6,7)✓ correct
B.(3,4,5)
C.(4,5,6)
D.(7,8,9)
Why
((2·7+1·1)/3, ...) = (5,6,7).
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