Mathematics
If A = [3 -2] and B = [[-1 4], [2 0]] Assertion (A) : Product AB of the two matrices A and B is possible Reason (R) : Number of columns of matrix A is equal to number of rows in matrix B. 1. A is true, R is false 2. A is false, R is true 3. Both A and R are true, and R is the correct reason for A 4. Both A and R are true, and R is incorrect reason for A.
Related Questions
Given that the sum of the squares of the first seven natural numbers is 140, then their mean is :
20
70
280
980
A mixture of paint is prepared by mixing 2 parts of red pigments with 5 parts of the base. Using the given information in the following table, find the values of a, b and c to get the required mixture of paint.
Parts of red pigment Parts of base 2 5 4 a b 12.5 6 c a = 10, b = 10, c = 10
a = 5, b = 2, c = 5
a = 10, b = 5, c = 10
a = 10, b = 5, c = 15
An article which is marked at ₹ 1200 is available at a discount of 20% and the rate of GST is 18%. The amount of SGST is :
₹ 216.00
₹ 172.80
₹ 108.00
₹ 86.40