Que 19 & 20. Assertion and Reason, Class 10th maths

Directions : In Question 19 and 20, Assertion (A) and Reason (R) are
given. Select the correct option from the following
A Both Assertion (A) and Reason (R) are true. Reason (R) is the correct
explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true. Reason (R) does not give
correct explanation of (A).
(C) Assertion (A) is true but Reason (R) is not true.
(D) Assertion (A) is not true but Reason (R) is true.

19. Assertion (A) : Two cubes each of edge length 10 cm are joined together The total surface area of newly formed cuboid is 1200 cm².
Reason (R) : Area of each surface of a cube of side 10 cm is 100 cm²

20. Assertion (A) :Ifwin A=1/3 (0A 90), then the value. of cos A is 2root 2/3
Reason (R):For every angle 0, sin²0 + cos²0= 1.

CBSE BOARD 2024 - Class 10th maths standard set 2 Answer Sheet

Class 10th Playlist :-

Class 10th All Important Question

: Ch. 8 - Trigonometry

: Ch. 4 - Quadratic Equation

:Ch. 5 - Arithmetic Progression
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[munnilalsingh]

Sir compartment laga math me tayari kara wa dijiye

[Gymlover]

Sir compartment wala exam ki taiyari kara sakte hai