Question
ABCD is a cyclic quadrilateral whose diagonals intersect at point E. If angle DBC = 70, angle BAC is 30, find angle BCD. Further. if AB=BC, find angle ECD.
if the ratio of the 11th term of an A.P. to its 18th term is 2:3 then find the ratio of the sum of the first five terms to the sum of its first 10 terms
Tq very much sir ur video and explaination help me alot once again tq very much
Maths
Jan. 3, 2020, 9:15 p.m.
Answer
40x 20y<=120 solve using linear inequalities of two varaiable with graph
Maths
Jan. 3, 2020, 8:54 p.m.
Answer
It is know that 10% of certain articles manufacturered are defective.what is probability that in a random sample of 12 such articles, 9 are defective?
