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Answer for multiple choices 6, B 7C 8, 36 9, B 10,B 11,B 12, A 13, A 14A 15A 16D 17C 18D 19C 20A 21B 22 A 23C 24A On qn. 15 replace 5 by 10 and 2 by 4.

The difference between simple and compound interest on a certain sum of money for 2 years at 5% per annum is birr 1, then the sum or principal(in birr) is -----? A, 300 B, 400 C, 500 D, 600 son. : compound interest (C.I) C.I = p(1.05)2 - p = p(1.1025 - 1) = p(0.1025) --(*) simple interest (S.I) S.I = prt = p(.0.05)(2) = p(0.1) ------(**) C.I - S.I = 1 p(0.1.025 - 0.1) = 1 p(0.0025) = 1 p = 1/0.0025 p = 400

1, if the diagonal of a cube is equal to 8rad.3, then its volume and surface area are ----- and ----- ? 2, if the volume of a cube is equal to its surface area, then its side length = ? 1, 512, 384 2, 6

The length of a rectangular plot is 20m more than its breadth. If the cost of fencing the plot at birr 26.50 per meter is birr 5300, what is the length of the plot? A, 40m B, 50m C, 60m D, 70m

B

PQ is the diameter of a circle with center at O . Draw tangent at P and mark a point R on the circle and produce QR to meet the tangent at P at S if measure of angle PSQ = 48,then measure of angle PQR = ? A, 48 B, 42 C, 90 D, 96

Answer x + 133 + 107 = 360 x = 120 y = 1/2x = 60 z + z + 120 = 180 2z = 60 z = 30 base angels of isosceles triangle .

1, a right square pyramid have lateral surface area 624 sq.cm. if the diagonal of the square is 24.rad.2, then volume = --- cub.cm? A, 1150 B, 780 C, 1083 D, 960 2, the base of a regular pyramid is square of side length 24cm and altitude 16cm, then the lateral surface area = ---- sq.cm? A, 960 B, 1020 C, 1024 D, 890 3, The base of a regular pyramid is hexagon of side length 2rad3.cm . If the altitude of the pyramid is 4cm, then lateral surface area = --- sq.cm? A, 60rad3. B, 30rad3. C, 48 D, 24rad3. 1,D 2, A 3, B

The altitude of a regular hexagonal pyramid is 9cm whose base side length is 3cm. What is the area of horizontal cross section which is 5cm from the base?

the ratio of number of boys to girls in a certain school is 7:8. if the number of boys increase by 20% and girls by 10%, then what is the new ratio? A,19/20 B, 20/21 C, 21/22 D, 22/23 Ans: C

1, A 2, C

1, the sum of the square of three numbers is 158, while the sum of their product taking two at a time is 121, then what is the sum of the three numbers ? A, 20 B, 25 C, 30 D, 35 2, In a lottery there are 10 prizes and 25 blanks. A lottery is drawn randomly , then what is the probability of getting prize? A,1/7 B, 3/7 C,2/7 D, 2/5