Grade 10 Math's

If R= {(2,5),(2,7),(3,8)}, then the range of R is______

• {5, 7, 8}

• {2, 2, 3}

• {2, 3}

• none of them

• 8

• 10

• 12

• 14

In a ratio L:m, L is called

• consequent

• antecedent

• relation

• none of these

If A is any square matrix such that A^t = -A then A is said to be:

• Diagonal matrix

• scalar matrix

• Symmetric matrix

• Skew symmetric matrix

• 34

• -34

• 26

• -26

• sum of the roots

• product of the roots

• discriminant

• none of these

• proper

• Improper

• Both A & B

• none of these

The ungrouped data must be ordered first to find _____

• A.M

• Median

• mode

• range