Question

The range of the following data is
30, 61, 55, 56, 60, 40,26,46, 28, 56
(a) 56 (b) 26 (c) 35 (d) 25
Q.2 The additive inverse of − − is (a) (b) − (c) − − (d) − Q.3 The value of x in – 1 = 7 is (a) 10 (b) (c) 9 (d) Q.4 Which of the following is not a perfect cube?
(a) 1000 (b) 128 (c) 512 (d) 343
Q.5 The number of vertices in a polyhedron which has 12 faces and 30 edges is
(a) 40 (b) 16 (c) 18 (d) 20
Q.6 Factorisation of z −7+7xy−xyz is
(a) (z −)(1−) (b) (1+xy)(z−) (c) (xy+1)(7−) (d) (7−)(xy−)
Q.7 A linear equation in one variable has
(a) Only 1 solution (b) 2 solutions (c) More than 2 solutions (d) No solution
Q.8 The sum of first thirteen odd numbers is
(a) 179 (b) 196 (c) 169 (d) 159
Q.10 The product of two rational numbers is always
(a) a positive number (b) a negative number (c) an integer (d) a rational number​

Answer 1

Answer:

What is this bro

Explanation

I cannot solve like this q