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Chapter 1 Sets and Functions Exercise 1.1 Write each of the following sets (i) in set builder form (ii) in listing its elements. (1) The set N of natural numbers. (2) The set J of all positive integers.

19.The line 3x + 4y=12 cuts the Y-axis at A.(0,2) B.(2,0) C.(3,0) D.(0,3) E.(0,4) Which of the following points, lies on the line 2x+y=6? (1,4) 2.(0,6) 3.(2,0) A.1 only B. 2only C. 1and3 only D. 2and3

Answer any FOUR questions. (32 marks) (a) (i) Define buffer solution. (ii) Calculate the pOH of a buffer solution containing 0.2 mole of ethanoic acid (pKa=3.8) and 0.05 mole of sodium ethanoate per 200

Ratio, proportion and Variation 4 gallons : 6 quarts=………. A. 2:3 B. 8:3 C. 4:6 D. 3:8 E. None of these 6600 feet : 2 miles =………… A. 8:5 B. 5:8 C. 33:1 D. 22:1 E.3300:1 If 1/2x+y=2x, then x:y=………. A. 1:2

Sets and Functions Exercise 1.1 Write each of the following sets (i) in set builder form (ii) in listing its elements. (1) The set N of natural numbers. (2) The set J of all positive integers. (3) The

.(4,-5) B.(4,0) C.(0,-5) D.(-4,-5) E.(-4,5) 3.The point in the X-axis is A.(-1,6) B.(1,-6) C.(-1,-6) D.(0,6) E.(6,0) Which pair of points given below will determine a vertical line? A.(3,5) and (-3,5)

Sets The set A = { x\ x2 – 7x + 12 =0 } is A.{ 3 , 4 } B. { -3 , 4 } C.{ 3 , -4 } D.{ -3 , -4 } E. None of them 2.The element(s) of A ={ (x,y)\ x+y=8 where x and y are positive integers and x≥ y} is (1,3)

(5) The unit of speed and velocity are the _____ . (6) If the starting point and the end point are the same , the displacement is _____ . (7) A body with decreasing positive velocity has a _____ acceleration.

Answer any FOUR questions. (32 marks) (a) (i) Define buffer solution. (ii) Calculate the pOH of a buffer solution containing 0.2 mole of ethanoic acid (pKa=3.8) and 0.05 mole of sodium ethanoate per 200

(e) State the nature of a nerve and a synapse. (OR) Explain how vegetative propagation takes place in strawberry and potato. (f) Clarify what you understand of diploid and haploid condition in cell division.

9MathQ02-3,5Text Chapter 2 Exercise 2.1 1.Find the slope of each line which contains each pair of points listed below. (a) (0,0) and (8,4) (b) (10,5) and (6,78) (c) (2,-2) and (4,2) (d) (0,3) and (-2,3)

9Math Q04-1001 Chapter 4 Logarithms If the number 31200 is put in the form 3.12 ×10n, the value of n is A. 1 B. 2 C. 2 D. 4 E. 5 The scientific notation 3.5 ×103 multiplied by 3 is A. 1.05 ×102 B.1.05×1010

G10, Physics First Semester Test Time Allowed (45)minutes Answer All Questions Fill in the blanks. (5 marks) (1) The value of gravitational constant is ………. .m3kg-1s-2. (2) A unit vector has the magnitude

G10, Physics First Semester Test Time Allowed (45)minutes Answer All Questions Fill in the blanks. (5 marks) (1) The unit of gravitational constant is ………. . (2) A unit vector has the magnitude of ……….

(e) (-2,0) and (0,6) (f) (15,6) and (-2,23) (g) (-5,7) and (3,8) (h) (63,49) and (-7,9) (i) (5/2 ,4/3 ) and (-13/2 ,16/3 ) (j) (2a,3b) and (-a,b) (k) (5√2 ,6√3 ) and (√8, √12) (l) (0,n) and (n,0) Find

Physics and Measurement Fill in the blank 1.A physical quantity must be expressed with its number and ……….. . 1.unit A unit is a ……….. quantity. 2.standard Mass is a ……..quantity. 3.basic 4.Area is a

9PhyQ03-1001 Chapter 3 Describing Motion Fill in the blank. (4 marks) (1) There are _____ main types of motion. (2) An accelerated body is one whose velocity is _____ . (3) The unit 〖cm s〗^(-1)is the unit

nu200 is put in the form 3.12 ×10n, the value of n is A D. 4 E. 5 The scientific notation 3.5 ×103 multiplied by 3 is A. 1.05 ×102 B.1.05×1010 C. 1.05×103 D.1.05×109 E. 1.05×104 The scientific notation