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Number System: BODMAS Test - 1

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Question 1
Evaluate 3x7+4-6÷3-7+45÷5x4+49
A
101
B
103
C
99
D
35
Question 1 Explanation: 
21+4-6÷3-7+45÷5x4+49 (Dividing)
21+4–2–7+9 x4+49 ( Multiplying )
21 +4 -2 -7 +36 +49( Addition )
25 -2-7+85 ( Subtracting )
110-9 = 101
Question 2
Evaluate (8+4-2)x(17-12)x10-89
A
3950
B
411
C
412
D
3949
Question 2 Explanation: 
Solving by BODMAS
(8+4-2)x(17-12)x10-89 ( Bracket operation )
(12-2)x(17-12)x10-89
10 x (17-12)x10-89
10 x 5 x 10-89 (Multiplying)
50 x 10 -89
500 – 89 ( Subtracting )
411.
Question 3
Evaluate (4+2-16/4+3)+{(1+8x7)/19}x[(3+5-4)+(17-9x4)]
A
-40
B
-225
C
40
D
335
Question 3 Explanation: 
(4+2-16/4+3)+{(1+8x7)/19}x[(3+5-4)+(17-9x4)]
(4+2-16/4+3)+{(1+56)/19}x [(3+5-4)+(17-9x4)]
(4+2-16/4+3)+{(1+56)/19}x [(3+5-4)+(17-9x4)]
(4+2-16/4+3)+{57/19}x [(3+5-4)+(17-9x4)]
(4+2-16/4+3)+{57/19}x [(8-4)+(17-9x4)]
(4+2-16/4+3)+{57/19}x [4+(17-9x4)]
(4+2-16/4+3)+{57/19}x [4+(-19)]
(4+2-16/4+3)+{57/19}x [-15]
(4+2-4+3)+{57/19} x [-15]
(5)+{3} x [-15]
(5)-45
-40
Question 4
Evaluate ((1+4-42/14+65)+((70/35+7*9)/13))*((65+7-19)+(19-39*5))/369
A
24
B
224
C
234
D
25
Question 4 Explanation: 
[(1+4-42/14+65)+ {(2+7x9)/13}] x [(65+7-19)+(19-39x5)]/369
[(1+4-42/14+65)+ {(2+63)/13}] x [(65+7-19)+(19-39x5)]/369
[(1+4-42/14+65) + {65/13}] x [(65+7-19)+(19-39x5)]/369
[(1+4-3+65)+ {65/13} ]x [(65+7-19)+(19-39x5)]/369
[67 + {65/13} ]x [(65+7-19)+(19-39x5)]/369
[67 + 5] x [(65+7-19)+(19-39x5)]/369
[72] x[53+(19-39x5)]/369
[72] x [53+(19-195))/369
[72] x [53+(-176)]/369 72 x (-123)/369
-24.
Question 5
Evaluate 7+5-2 x (7+89)-94/2 + (33/3+9 x 2-7)/11
A
245
B
-225
C
-235
D
254
Question 5 Explanation: 
7+5-2x(7+89)-94/2+(11+9x2-7)/11
7+5-2x(7+89)-94/2+(11+18-7)/11
7+5-2x(7+89)-94/2+(29-7)/11
7+5-2x(7+89)-94/2+22/11
7+5-2x96-47+22/11
7+5-192-47+22/11
7+5-192-47+2
-225
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