1. Multiple Choice Questions (MCO)1x10=101) What is the identity element for the addition of rational numbers?a) 0b) 1c) - 1d)Which of the following property does this arrangement of number shows?2 x ( x ) = ( x ) × 1 1 1a) Distributiveb) commutative c) closured) AssociativeIf- 4 = then x isa)11b)c) - 30d) 30Which of the following properties describes a trapezium?a) A pair of opposite sides are parallelb) The diagonals are equalC) The diagonals bisects each otherd) The diagonals are perpendicular to each otherv)The sum of the interior angles of a polygon is 540° Find its number of sidesa) 4b) 7d) 3vi)What is the probability of choosing a consonant the word ENGLISH word?3011iv)C) 5d)vii)If the adjacent sides of a rectangle and diagonals are equal then what is the name ofthe polygon?a) Parallelogram b) squarec) Rhombus d) TrapeziumA man bought a box for Rs 250. for how much should he sell it so as to gain 10%?viii)c) 62b) 1819a) Rs. 285b) Rs 275C) ?Rs 257d) Rs. 209ix) If x -+ = 8. then what will be x + 5?a) 66b) 64d) 68The number of 3 cm cubes that can be formed from a metallic cuboid measuring 10cm x 9 cm x 6 cm isa) 10d) 202. Very short answer questions1x10=10Find the HCF of 16x?y? and -8ry?ii) If the cost of 12 books is Rs. 450. then find the cost of 16 books.Value of (7-5) 210 =If 3' = then what is the value of x?Two cubes have volume in the ratio 8 27. Find ratio of the area of the face of one tothat of the other.vi) Find the co-efficient of - x in the (x - 2)(x + 3).vii) Find the upper limit of the interval 90-95.vin) The sum of adjacent angles of a trapezium is 180° (True/False)ix) If + 1 = iş. then what is x?x)181Which one is greater? or​