Topic : Equation-System of Equations
1.
from: category_eng

1.Mathematical Writing
Express it mathematically.
d=3*J ,

d=1/2 *p,



J+p+d=1/3 d +2d+d= 10/3 d

Ans: C

1.

2.

3.

4.

5.
28+21+12
6.

7.

8.
x/ 3*15 + y/2*18 = 0.22 x+y= 9
9.

10.

11.
Understanding question Clearly..
12.

13.
Set up the variable as what you want to find
14.

15.

16.

17.

18.

19.
N+C=80 brabra
20.

21.

22.
there are two vars.
23.
pn=120 and (p+1)(n-10)=120
24.

25.
Three equation required to get three vars. s-c=p. (1)0.2s=p (2)c+50=s
26.
(1)0.6*(a+b) =b (2)a+2b=120
27.
(1)s+l=42 (2)2l=46
28.

29.

30.
express the given by mathematical way
31.
(10x+y)-(10y+x)=27
32.

33.
we need to know f and m
34.
1 equation but two variable. Integer condition.
35.
?????????? ????.. It's not easy
1. d
2. b
3. c
4. c
5. D
28+21+12
6. D
7. E
8. b
x/ 3*15 + y/2*18 = 0.22 x+y= 9
9. b
10.
11. A
Understanding question Clearly..


-0.3 * O_40=?
0.6 * e = O_40

so we need to know # of emplyees.

12. D
13. B
Set up the variable as what you want to find
14. D
15. D
16. a
17. A
18. 100
19. D
N+C=80 brabra
20. D
21. E
22. B
there are two vars.
23. C
pn=120 and (p+1)(n-10)=120
24. E
25. C
Three equation required to get three vars. s-c=p. (1)0.2s=p (2)c+50=s
26. C
(1)0.6*(a+b) =b (2)a+2b=120
27. C
(1)s+l=42 (2)2l=46
28. A
29. C
30. D
express the given by mathematical way
31. A
(10x+y)-(10y+x)=27
32. D
33. C
we need to know f and m
34. B
1 equation but two variable. Integer condition.
35. D
?????????? ????.. It's not easy