Question

Ors Marks Each. Section D Contain 5 Questions Of 5 Marks Each.
(1x15=15)
Q1. The rational mumber which are their own reciprocal.
00. Which of the following is a linear equation ?
(2-7=3 (0) 25+2x = 3x (d) none of these
03. An equation always contain the sign of
() In equality
(c) Addition (d) None of these
04. In thombus diagonals are
(a) Perpendicular
(c) Both (a) and (b) (d) none of these
05. The sum of all exterior angles of a triangle is
(1360 (1) 180° 540° (d) none of these.
Q6. What is the lease number by which if 180 is multiplied, then the product is a
multiplied than the product is a perfect square?
(24 (b) 3 (cs @ 6
Q7. The value of (x+3x-2) is equal to
(2x20x2x2 @x-2ax+a? (d) none these
Q8. The value off cube whose edge is 2x is
none of these​

Answer 1

Answer:

q1 - 1 and -1 are the only rational numbers which are their own reciprocals

q2- none of these

q3-equality

q4-both a and b

q5- 360°

q6-24

q7-

q8-Volume is 8 x ³