Second Term Examination Mathematics SS 2 Second Term Lesson Notes

SECOND TERM EXAMINATION

Subject: Mathematics Class: SS2 Time:2hrs

Section A: Objective

Instruction: Answer all question in this section.

1. Calculate the standard deviation of the following distribution: 2,3,4,4,5,6 (a) 1.29 (b) 1.35 (c) 2.04 (d) 2.50
2. Which of the following is not a measure of dispersion? (a) Mode (b) Range (c) standard deviation (d) Mean deviation
3. A plane flies 90km on a bearing of 030^o and then flies 150km due east. How far east of the starting point is the plane? (a) 120km (b) 165km (c) 195km (d) 240km
4. A town P is 150km from town Q in the direction 50^o. What is the bearing of Q from P? (a) 50^o (b) 130^o (c) 230^o (d) 270^o
5. The bearing of two points Q and R from a point P are 30^o and 120^o respectively. If /PQ/=12m and /PR/=5m, find the distance /QR/ (a) 13m (b) 11m (c) 9m (d) 7m
6. Which of the following is equivalent to S 50⁰ W (a) 40^O (b) 130⁰ (c) 220^O (d) 230⁰
7. A group of numbers are written in an ascending order of magnitude as (X-2),8,(5+X),12,(X+14). Find the range of the number (a) 12 (b) 14 (c) 16 (d) 20
8. A fair die is rolled once, what is the probability of obtaining 4 or 6. (a) 1/12 (b) 1/6 (c) 1/3 (d) ½
9. What is the probability of having an odd number in a single toss of a fair die? (a) 1/6 (b) 1/3 (c) ½ (d) 2/3
10. A number is chosen at random from the set [2,4,6,……18,20] find the probability that it is either a factor of 18 or a multiple of 5 (a) ½ (b) 3/5 (c) 2/6 (d) 1/3
11. What is the probability of throwing a number greater than 2 with a single die? (a) 1/6 (b) 1/3 (c) ½ (d) 2/3
12. The mean heights of three groups of students consisting of 20,16 and 14 students are 1.67m,1.50m and 1.40m respectively. Find the mean height of all the students? (a) 1.52 (b) 1.53m (c) 1.54m (d) 1.55m
13. Solve the inequality -2(13+X) 9+5X (a) X-5 (b) X-5 (c) X-5 (d) X
14. Solve 3(1-X)3 (a) X-1 (b) X-2 (c) X-1 (d) X-3
15. Three balls are drawn one after the other with replacement from a bag containing 5 red,9 white and 4 blue identical balls. What is the probability that there are one red one white and one blue? (a) 5/102 (b) 5/136 (c) 5/162 (d) 5/200

Use the information to answer question 16 and 17

A tree is 8km due south of a building, Kofi is standing 8km west of the tree

1. How far is Kofi from the building (a) 4km (b) 8km (c) 8km (d) 16km
2. Find the bearing of Kofi from the building (a) 315⁰ (b) 270⁰ (c) 225⁰ (d) 135⁰
3. Esther was facing S 20⁰ W, she turned 90⁰ in the clockwise direction, what direction is she facing? (a) N 70⁰ W (b) S 70⁰E (c) N 20⁰W (d) S 20⁰E
4. Calculate the variance of the set of numbers below: 5,11,13,14,17 (a) 5.3 (b) 7.3 (c) 8.0 (d) 10.3
5. Find the mean deviation 2,3,5,6 (a) 1.0 (b) 1.2 (c) 1.4 (d) 1.5
6. Evaluate + 2 (a) (b) (c) (d)
7. If X = and Y= Find 2X-Y
8. (b) (c) (d)
9. Find the value of P, if the line that passes through (-1,-P) and (2P,2) is parallel to the line 8X + 2Y – 17=0 (a) 6/7 (b) 5/3 (c) -6/7 (d) 4/3
10. What is the value of X, if the gradient of line (-1,X) and (X,4) is 2/3 (a) 2 (b) 5 (c) -2 (d) 3
11. Find the mean of the numbers 1,3,4,8,8,4 and 7 (a) 4 (b) 5 (c) 6 (d) 7
12. The probabilities that John and James pass an examination are ¾ and 3/5 respectively. Find the probability of both boys failing the examination. (a) 1/10 (b) 3/10 (c) 9/20 (d) 11/20
13. A point X is on the bearing 342⁰ from a point Y. what is the bearing of Y from X? (a) 342⁰ (b) 252⁰ (c) 198⁰ (d) 162⁰
14. There are M boys and 12 girls in a class. What is the probability of selecting at random a girl from the class? (a) M/12 (b) 12/M (c) 12/M+12 (d) 12/M+12
15. The number line represents
16. 0(b) -7( c) -7 (d) -7
17. If which of the following is true? (a) Y>7 (b) Y<-7 (c) Y>-7 (d) Y<7

Second Term Examination Physics SS 1 Second Term Lesson Notes

Theory

Answer question 1 and any other 3 questions

1. The table below shows the hourly wages of 50 workers in a factory

Wages of 50 workers(#)

1. Construct a frequency distribution of the data by taking ten equal class intervals #0 – #49, #50 – #99,…………… #450 – #499
2. Calculate
3. Mean ii). Mean deviation iii). Variance and iv). Standard deviation
4. An aero plane leaves an airport A and flies on a bearing 35⁰ for 1¼ hours at 600km/hr to an airport B. it then files on a bearing 130⁰ for 1½ hours at 400km/hr to an airport C. Calculate the:
5. Distance from C to A correct to the nearest Kilometer
6. Bearing of C from A correct to the nearest degree.
7. Y is such that 4y-73y and 3y5y+8.
8. What range of values of y satisfies both I equalities
9. Hence express 4y-73y5y+8 in the form a,where a and b are both integers

3b. What is the range of value of X for which 2X+51 and X-4<1 are both satisfied

1. If three cards are chosen from a pack without replacement, what is the probability of setting
2. At least two spades
3. At most two spades
4. If A= and B=
5. Show that AB=BA

1. Multiply by

3 1

1. Find the determinant of the matrix below
2. Find the inverse of
3. Find the distance between each pair of points
4. (7,2) and (1,6) ii. (3,-3) and (-2,5)

Find the value of P, if the line that passes through (-1,-p) and (-2p,2) is parallel to the line 8X+2Y-17=0

Second Term Examination Yoruba SS 1 Second Term Lesson Notes