| Find the missing number. |
 |
A) 27
B) 21
C) 28
D) 17
Correct Answer: B
Solution :
| [b] As,\[7\times 4=28\]; \[\,19+9=28\] and,\[8\times 5=40\] \[\,28+12=40\] |
| Similarly, \[9\times 3=27\] \[27-6=21\] |
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