Posted inClass 9th math NCERT
NCERT, Class 9, Lines and Angles , Chapter–6, Exercise-6.1– Important questions
Q. 1. In the figure, lines AB and CD intersect at O. If angle AOC + angle BOE = 70 degree and angle BOD = 40 degree, find angle BOE…
Posted inArithmetic Progressions Chapter–5 Arithmetic Progressions Exercise 5.3 Class 10th math NCERT
NCERT, Class 10, Arithmetic Progressions, Chapter–5, Exercise-5.3 – Proper explanation along with step wise solution of each question
Q.1.: Find the sum of the following APs: (i) 2, 7, 12,…….. to 10 terms, (ii) –37, –33, –29,..….to 12 terms, (iii) 0.6, 1.7, 2.8,…….. to 100 terms, (iv) 1/15…