Class 10 Maths Tutorials
Proportion
1 ) Check whether the numbers 2,3,4,6 are in proportion or not. 2 ) Check whether the numbers 2.5,-2,-5,4 are in proportion or not. 3 ) Check whether the numbers 2,7,14,42 are in proportion or Read more…
Class 10 Maths Tutorials
Ratio
RATIO 1 ) Write down the condition for which x : y becomes ratio of less inequality. Solution : x < y 2 ) Under which condition x : y becomes ratio of greater inequality Read more…
Class 10 Maths Tutorials
Quadratic Equation, Class – 10
Type – 01 Short Answer Type Questions : 1 ) Which of the following polynomial is a quadratic polynomial . ( i ) x2 – 7x + 2 ( ii ) 7x5 – x ( Read more…
Class 8 Maths Tutorial
H.C.F and L.C.M of Algebraic Expression Class 8 Mathematics
G.C.D = Greatest Common Divisior H.C.F = Higest Common Factor L.C.M = Least Common Multiple Level – 01 1 ) Find G.C.D of 4a2 b2 , 20ab2 . Solution : First term = 4a2 b2 Read more…
Chemistry Tutorials
Electrolysis Class – 10 Chemistry
We have observed in our daily life, that a jewellery of silver is looked like a gold jewellery but it is not that. Only a layer of Gold is electroplated over the silver jewellery. Have Read more…
Class 10 Maths Tutorials
The length, breadth and height of a cuboid of a room be a unit, b unit and c unit respectively and a + b + c = 25, ab + bc + bc = 240.5 then find the length of the longest rod to be kept inside the room. ( WBBSE – 2019 )
The length, breadth and height of a cuboid room be a unit, b unit and c unit respectively and a + b + c = 25, ab + bc + bc = 240.5 then find Read more…
Class 10 Maths Tutorials
If sin 10θ = cos8θ and 10θ is a positive acute angle, then find the value of tan9θ. ( WBBSE – 2019 )
If sin 10θ = cos8θ and 10θ is a positive acute angle, then find the value of tan9θ. Solution : sin 10θ = cos8θ [ ∵ sin ( 90 – θ ) = cos = Read more…
Class 10 Maths Tutorials
Find the values of (0° ≤ θ ≤ 90° ) for which 2 sinθ cosθ = cosθ. ( WBBSE – 2019 )
Find the values of (0° ≤ θ ≤ 90° ) for which 2 sinθ cosθ = cosθ. Solution : 2 sinθ cosθ = cosθ ⇒ 2 sinθ cosθ – cosθ = 0 ⇒ cosθ ( Read more…
Class 10 Maths Tutorials
x ∝ y2 and y = 2a when x = a, then show that y2 = 4ax . ( WBBSE – 2019 )
x ∝ y2and y = 2a when x = a, then show that y2 = 4ax . Solution : x ∝ y2 ⇒ x = ky2 ——————-( 1 ) where k is variation constant . Read more…