UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 05th January 2021. Important news and views to... View Article
CNA 05 Jan 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related HEALTH 1. Biggest COVID-19 vaccination programme set to... View Article
January 4th, 2021, PIB:- Download PDF Here TABLE OF CONTENTS 1. Indian scientific expedition to Antarctica 2. CSIR-NPL 3. TRIFOOD Parks 4.... View Article
1) an equilateral triangle 2) an isosceles triangle 3) a right angled triangle 4) collinear Answer: (3) A right angled triangle Solution:... View Article
1) 8 α. (a + b + c) 2) α . (a + b + c) 3) 8(a + b + c) 4) None of these Answer:(1) 8 α. (a + b + c) Solution: α = x (a × b) + y (b × c) +... View Article
1) 5 cu units 2) 10 cu units 3) 15 cu units 4) 20 cu units Answer: (2) 10 cu units Solution: The vertices of parallelepiped are O ≡ (0, 0,... View Article
1) λ=4 2) λ=-4 3) λ=-7 4) λ=7 Answer: (2) λ=-4 Solution: Vectors a,b, and c are coplanars Then |abc| = 0 (2i−j+k) x (i+2j−3k) x (3i+λj+5k)... View Article
1) 4√6 units 2) 1/2 (√21) sq units 3) √6/2 sq units 4) √6 units Answer: (1) 4√6 units Solution: a=i+j+k,b=i+3j+5k and c=7i+9j+11k Say,... View Article