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Number System: BODMAS Test - 2

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Question 1

Evaluate [7+9-2x(2+79)-45/9+(27/9+5x3-19)]x(-3/2)

A

228

B

-225

C

-235

D

254

Question 1 Explanation:

[7+9-2 x (81)-45/9+(27/9+5 x 3-19)] x (-3/2) [7+9-2 x (81)-45/9+(3+5 x 3-19)] x (-3/2) [7+9-2 x (81)-45/9 + (3 + 15-19)] x (-3/2) [7+9-2 x (81)-45/9 + (18-19)] x (-3/2) [7+9-2 x (81)-45/9-1] x (-3/2) [7+9-2 x (81)-5-1] x (-3/2) [7+9-162-5-1] x (-3/2) -152 x (-3/2) 228

Question 2

Evaluate (89+16/2)-7x15/3+{(9+7)x19}+7x5-3

A

752

B

398

C

-235

D

254

Question 2 Explanation:

(89+8) – 7 x 15/3 + {(9+7) x 19} + 7 x 5 - 3 97-105/3 + {(9+7) x 19} +7x5-3 97-35 + {16 x 19} + 7x5-3 97-35+304 + 7x5-3 97-35+304 + 35-3 398.

Question 3

Evaluate (45+9)/2-7 x 33/7 + {(7+19) x17} + 19x8-289

Evaluate [(289+87)/2-7 x 18/2 + {(9+5) x 19} +3 x 7-9] x 19+9

A

7666

B

7689

C

7645

D

8987

Question 4 Explanation:

[376/2-7x18/2 + {(9+5) x 19} +3x7-9]19+9 [188-7x18/2+266+3x7-9] x 19+9 [188-126/2+266+3x7-9] x 19+9 [188-63+266+3x7-9] x 19+9 [188-63+266+21-9] x 19+9 7657+9 7666.