SAT+PREP+TEST+8

Find the value of 2x + 2y
 * 1.** 3x + y = 19, and x + 3y = 1.

A. 20

B. 18

C. 11

D. 10

E. 5
 * 2.** The price of a cycle is reduced by 25 per cent. The new price is reduced by a further 20 per cent. The two reductions together are equal to a single reduction of

A. 45%

B. 40%

C. 35%

D. 32.5%

E. 30% x + y < 11, and x > 6 What is the smallest possible value of x - y ?
 * 3.** x and y are integers

A. 1

B. 2

C. 4

D. -2

E. -4
 * 4.** If x5y4z2 <0, which of the following must be true?

I xy <0 II yz <0 III xz <0

A. I

B. II

C. III

D. I and II

E. None
 * 5.** BCD is a line segment and Angle BAC = ¼ Angle ACB ; Angle ACD = ?

A. 140

B. 100

C. 120

D. 60

E. it cannot be determined from the information given
 * 6.** Which of the following integers is in the solution set of │1 – 3x│ < 5 ?

I -1 II 1 III 2

A. I only

B. II only

C. III only

D. I and II only

E. I, II and III
 * 7.** In a certain village, m litres of water are required per household per month. At this rate, if there are n households in the village, how long (in months) will p litres of water last?

A. p /mn

B. mn / p

C. mp / n

D. np / m

E. npm
 * 8.** In the figure below, what is the slope of line l ?

A. - 3

B. - 1/3

C. 0

D. 1/3

E. 3
 * 9.** What digit appears in the units place in the number obtained when 2320 is multiplied out?

A. 0

B. 2

C. 4

D. 6

E. 8
 * 10.** Radius of circle center O is 3 times the radius of circle center C.

Angle ACB = Angle POQ

If the shaded area of circle C is 2 then what is the area of the shaded part of circle O ?

A. 6

B. 12

C. 18

D. 36

E. 3/2