Class 10 Mathematics – By covering all chapters Mindshut is here with the best Class 10 Maths tutorials including explanations, videos, question and answers based on NCERT, WB Board, Bihar Board and other major boards in India.
Browse chapters and learn class 10 Mathematics online now !
O is te centre of a circle and AB a diameter ABCD is a cyclic quadrilateral. ∠ABC=65°, ∠DAC=40°, then the measure of ∠BCD is ______. a)75° b)105° c)115° d)80° Answer : 115° Explaination: Given: ∠ABC=65° ∠DAC=40° ∠BCD= ?? ∵ ∠ACB is angle in a semicircle. ∴ ∠ACB = 90° ∵ Read more…
If tan∝ + cot∝ = 2, then the value of tan13∝ + cot13∝ is ______. a) 13 b) 2 c) 1 d) 0 Answer : b ) 2 Explaination : Given : tan∝ + cot∝ = 2 ⇒ tan∝ + 1/tan∝=2 ⇒ tan2∝ + 1/tan∝ = 2 ⇒ tan2∝ + 1 Read more…
WBBSE – 2019 Solution : Ratio of the principal = Ratio of profit share = 1 / 2 : 1 / 3 = ( 6/2 ) : ( 6/3 ) = 3 : 2 The required answer is ( b ) 3 : 2
WBBSE – 2019 Solution: Given that p + q = √13 Squaring both sides, we get ( p + q )2 = 13 ( p – q )2 + 4 pq = 13 ( √ 5 )2 + 4pq = 13 5 + 4pq = 13 4pq = 13 – Read more…
Class – 10, WBSSE Question Paper – 2019 Subject : Mathematics ( West Bengal Board of Secondary Education ) Here is the question paper of mathematics for the year 2019 ( West Bengal Board of Secondary Education )