Q.

Find the multiplication value of (51)×(47)×(19) ?


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a

45543

b

45847

c

– 45543

d

14789 

answer is C.

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Detailed Solution

The given expression is (51)×(47)×(19) .
Use the fact that multiplication between two negative is always positive and multiplication between positive and negative is always negative.
Consider the expression (51)×(47)×(19) , multiply – 47 and – 19 by making a group.
=(51)×(47)× 19 = 51 × 47 × 19 = 51 × 893 =45543
Therefore, the multiplication of (– 51), (– 47), and (– 19) is – 45543.
Therefore, the correct option is 3.
 
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