Matematika Rumah Kita: November 2012

Multiple Choice: Choose the correct answer!

1. Consider the following table.
No. City    Temperature at 2 a.m since winter.
a. Berlin         -8
b. Madrid     1
c. Moscow    -1
d. Oslo         -10
e. London     -5
f. Paris          -2
g. Vienna    3

Which is the following cities that represent Ascending order (start from the coldest)?
A. Oslo,Berlin, London, Paris, Moscow, Madrid, Vienna.
B. Oslo,Berlin, Paris, London, Moscow, Madrid, Vienna.
C. Vienna, Madrid, Moscow, Paris, London, Berlin, Oslo.
D. Vienna, Madrid, Moscow, London, Paris, Berlin, Oslo.

2. 30+(-27)= ⋯
   A. -57    C. 3
     B.-3                   D. 57

3. -20+32= ⋯
     A. -54    C. 12
     B. -12                D. 54

4. 35- (-25)= ⋯
     A. - 60    C. 10
     B. -10                 D. 60

5. -33-(-40)= ⋯
    A. -73    C. 7
    B. -7                     D. 73

6. (-25-5)×3= ⋯
    A. - 90                 C. 60
    B. - 60                 D. 90

7. 100∶(-25)+5= ⋯
   A. – 5    C. 1
   B. – 1                    D. 5

8. The result of √484- ∛216= ⋯
   A. 10    C . 16
   B. 12    D. 18

9. The following fractions are equivalent with $\frac{2}{5}$ , except/ kecuali . . .

A. $\frac{4}{8}$
B. $\frac{6}{15}$
C. $\frac{8}{10}$
D. $\frac{10}{25}$

10. The following statement will be true if we fill the blank by using . . . . notation.
                                           $\frac{4}{5}\cdots \frac{2}{7}$
A.<
B. >
C. =
D. No Answer

11. Consider the following disorder fractions.
                            $\frac{1}{5},\frac{3}{4},\frac{7}{10},\frac{1}{2}$
Which is the Ascending order of those fractions?
A. $\frac{1}{5},\frac{1}{2},\frac{7}{10},\frac{3}{4}$

B. $\frac{1}{5},\frac{7}{10},\frac{1}{2},\frac{3}{4}$

C. $\frac{3}{4},\frac{7}{10},\frac{1}{2},\frac{1}{5}$

D. $\frac{3}{4},\frac{7}{10},\frac{1}{5},\frac{1}{2}$

12. The decimal numbers of    $\frac{25}{60}$ is . . .
      A. 0.407
      B. 0.416
      C. 0.507
    D. 0.516

13. If $\frac{12}{16}$ is expressed to in the percentage form as . . .
A. 25%
B. 50%
C. 75%
D. 90%

14. The value of $3\frac{2}{9}+ 4\frac{5}{6}$    is . . .
     A. $7\frac{1}{54}$

     B. $7\frac{1}{18}$

     C. $8\frac{1}{54}$

     D. $8\frac{1}{18}$

15. The value of $12\frac{11}{12}-3\frac{7}{9}$    is . . .
      A. $9\frac{1}{36}$

      B. $9\frac{5}{36}$

C. $9\frac{7}{36}$

D. $9\frac{11}{36}$

16. The product of $\frac{6}{8}\times \frac{5}{12}$ is . . .
      A. $\frac{1}{16}$

      B. $\frac{2}{16}$

     C. $\frac{3}{16}$

      D. $\frac{5}{16}$

17. The power of $(-3\frac{1}{3})^{2}$ is . . .
      A. $-\frac{28}{9}$

      B. $-\frac{28}{3}$

      C. $\frac{28}{3}$

      D. $\frac{28}{9}$

18. The coefficient of p from $2p^{3}+2p^{2}-p$    is . . .
     A.    -1
   B. 1
   C. 2
     D.     5

19. The product of $3 \times (-5n)\times (-4m)$ is . . .
      A. -60mn
      B. -12mn
      C. 12mn
      D. 60mn

20. The power of    $(5b^{4})^{2}$ is . . .
      A. $25b^{2}$
      B. $25b^{4}$
C. $25b^{6}$
      D. $25b^{8}$

21. The quotient of $-60a^{9}b^{4}c^{5}\div (-10a^{3}b^{2}c^{3})$ is . . .
      A. $-6a^{6}b^{2}c^{2}$
      B. $-6a^{6}b^{3}c^{2}$
      C.    $6a^{6}b^{2}c^{2}$
      D.    $6a^{6}b^{3}c^{2}$

22. The simplified form from 5x + 9y -2x - 2y is . . .
   A. 3x- 7y
   B. 3x + 7y
   C. 14 x + y
   D. 14 x + 7y

23. The sum of 2a + 3 and 3a - 5 is . . .
      A. 5a - 8
      B. 5a - 2
      C. 5a + 2
      D. 5a + 8

24. Subtract : 5a - 3   from 3a + 9!
      A. -2a - 12
      B. -2a + 12
      C. 8a -12
      D. 8a + 12

25. The value of 3a + 3bc if a = 2, b = 1 and c = -2 is . . .
      A. 0
      B. 3
      C. 6
      D. 12

26. (x + 2) (x + 5) = . . .
A. $x^{2}+7x +7$
      B. $x^{2}+7x +10$
      C. $x^{2}+10x +7$
      D. $x^{2}+10x +12$

27. (2P-4)(2P-2) = . . .
     A. $4P^{2}-2P -8$
     B. $4P^{2}-4P +8$
     C. $4P^{2}-6P +8$
   D. $4P^{2}-12P -8$

28. ( 1 + 3y) (1-3y) = . . .
     A. $1-9y^{2}$
     B. $1+9y^{2}$
     C. $1-6y-9y^{2}$
     D. $1+6y-9y^{2}$

29. $(p+3)(p^{2}-2p + 1)$ = . . .
     A. $p^{3}-p^{2}-5p-3$
     B. $p^{3}+p^{2}-5p-3$
     C. $p^{3}+p^{2}-5p+3$
     D. $p^{3}+p^{2}+5p+3$

30. The solution of p - 3 = 5 is . . .
     A. p = -8
     B. p = -2
     C. p = 2
     D. p = 8

31. The solution of    3x + 4 = 2x - 8 is . . .
     A. x = -12
     B. x = -4
     C. x = 4
     D. x = 12

32. The solution of 7x + 10 = 3x + 50 is . . .
    A.    x = 10
    B.    x = 40
    C.    x = 50
    D.    x = 60

33. The solution set of y - 4 > 7 is . . .
    A.   { . . ., 8,9,10}
    B.   {12, 13, 14, . . .}
    C.   { . . . ., 0,1,2}
    D.   {4,5,6, . . .}

34. The solution of 8x + 2 > 3x + 3 is . . .
    A. $x > \frac{1}{5}$
    B. $x > 1$
    C. $x <\frac{1}{5}$
    D. $x < 1$

35. The solution set of   $2(3x + 6)\leq 4(x-6)$ is . . .
     A.   {-15, -14, -13, . . .}
     B.   {-16, -15, -14, . . .}
     C.   { . . ., -17, -16, -15}
     D.   { . . . , -20, -19, -18}

36.The Petronas towers in Malaysia is 452 m high. If we want to build its miniature to a scale of 1 : 1,000, then the height of the miniature is . .
       A.       0. 0452 m        C. 4.52 m
   B.    0.452 m           D. 45.2 m

37. A map of Java Island is created to a scale of 1: 1,000,000. If the distance between Jakarta and Bandung on the map is 18 cm, then the actual distance is . .
A. 18 km C. 1,800 km
B. 180 km D. 18,000 km

38. To make 75 cakes, it requires 0.75 kg of sugar. The amount of sugar required to make 100 cakes is . .

      A. 1 kg                 C. 10 kg
      B. 1.5 kg              D. 15 kg

39.   In a party, 36 kg of rice is needed to serve 150 guests. How many kilograms of rice are needed to serve 125 people?
      A. 10 kg              C. 30 kg
      B. 20 kg              D. 40 kg

40. Twenty five workers can complete a job in 54 days. How many days can the job be completed if it is done by 18 workers?
A. 75 days C. 125 days
B. 100 days D. 150 days

Halaman

Selasa, 27 November 2012

SOAL ULANGAN SEMESTER GANJIL KELAS 7 [English Version]