W A.1 only B. 2 only C.3 only D.1 and 2 only E.2 and 3 only 3.Given that S= {0,1,2,3,4} is the universal set and A={ x\ x3 – 9x =0 }.Then A=…….. A.{ -3 , 0, 3 } B. { -3 , 0 } C.{ 0 , 3 } D.{ -3 , -3 }

R + log𝑦 B. log𝑥𝑛 = n log𝑥 C. log101=0 D.log𝑥𝑥=1 E.log𝑥𝑦= log𝑥-log𝑦 Which of the following is (are) true? 1.log𝑀log𝑁=log𝑀-log𝑁 2.log3𝑀=3log𝑀 3.log𝑎𝑀 =2log𝑎𝑀 A. 1 only B. 2 only C. 3

A. 75% E. 80% 5.The ratio 2:x , expressed as a percentage , is 40%, then x=……….. A. 3 B. 4 C.5 D. 6 E.8 If a:b=3:8 and b:c=4:5, then a:c=………….. A. 5:11 B. 3:8 C. 3:11 D. 3:10 E. 5:8 If a:b=3:5 and b:c=3:5,

Qis A.2 B.-2 C.−12 D.14 E.12 7.532532 =……. A.1 B.0 C.25 D.125 E.625 8.−1−1 +−10 =………. A. 2 B.1 C.0 D. -1 E.-2 Which of the following is (are) false? 1.𝑎+𝑏2 =𝑎2 +𝑏2 2.𝑎+𝑏 =𝑎 +𝑏 3.(ab)2 =a2b2 A.1

W 6.Which of the following statement is (are) true? 1.If m>0 , then the segment makes an actual angle with the positive direction of X-axis. 2. If m<0 , the line segment makes an obtuse angle with

Chords and Tangents In the circle O, diameter AB= 20 cm, and chord AC= 16 cm, OP ⊥AC, then OP=…… A. 8 cm B. 7cm C. 6cm D. 5 cm E. 4cm 2.The distance between the two parallel chords AB and CD is A. 4 cm

} D.{ -3 , -3 } E.{0,9} 4.The interval { x\ -2≤ x < 3 }is denoted by A.( -2 , 3 ) B. [ -2 , 3 ] C.[ -2 , 3 ) D.( -2 , 3 ] E. None of these The graph on the number line is denoted by 2 3 A.(-2,3) B.[-2,3)

) given in the bracket. (7 marks) (a) Proteins is ( polymer, copolymer, monomer). (b) The molecule of (NH3, ClF3, BCl3) does not deviate octet rule. (c) The volume of the gas decreases (rapidly, slowly,

) given in the bracket. (7 marks) (a) Proteins is ( polymer, copolymer, monomer). (b) The molecule of (NH3, ClF3, BCl3) does not deviate octet rule. (c) The volume of the gas decreases (rapidly, slowly,