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Question Number 120827 by TITA last updated on 03/Nov/20

Commented by liberty last updated on 03/Nov/20

$$125\times 666\times 798\times 1373\times 77777\times 111111$$$$7.882535124571993\mathrm{E}20$$$$$$

Commented by TITA last updated on 03/Nov/20

$$plshowdoyousolvewithoutacalculator?$$

Commented by 675480065 last updated on 03/Nov/20

$$\mathrm{When}\mathrm{giving}\mathrm{a}\mathrm{question},\mathrm{its}$$$$\mathrm{a}\mathrm{concour}\mathrm{queztion}\mathrm{and}\mathrm{calculators}$$$$\mathrm{are}\mathrm{not}\mathrm{allowed}.$$$$\mathrm{So}\mathrm{make}\mathrm{mention}\mathrm{of}\mathrm{that}...$$$$\mathrm{Not}\mathrm{testing}\mathrm{the}\mathrm{intelligence}\mathrm{of}\mathrm{people}.$$

Commented by TITA last updated on 03/Nov/20

$$okthankyousir$$

Answered by $@y@m last updated on 03/Nov/20

$$125\times 666\times 798\times ....$$$$125\times 2\times 333\times 2\times 399\times ....$$$$500\times 333\times 399\times ....$$$$\Rightarrow Theproductismultipleof500$$$$Ans:\left(b\right)$$

Answered by 675480065 last updated on 03/Nov/20

$$\mathrm{multiply}$$$$125\mathrm{and}2,\mathrm{the}\mathrm{number}\mathrm{gotten}$$$$\mathrm{ends}\mathrm{with}2\mathrm{zeros},\mathrm{thus}\mathrm{the}\mathrm{final}\mathrm{result}$$$$\mathrm{should}\mathrm{end}\mathrm{with}2\mathrm{zeros}\mathrm{because}$$$$\mathrm{the}\mathrm{last}\mathrm{digits}\mathrm{of}\mathrm{the}\mathrm{numbers}\mathrm{left}$$$$\mathrm{can}\mathrm{produce}\mathrm{zeros}\mathrm{when}\mathrm{multiplied}$$

Answered by antoineop last updated on 03/Nov/20

$$=10\times 25\times 333\times 798\times 1373\times 77777\times 111111$$$$=100\times 5\times 333\times 399\times 1373\times 77777\times 111111$$$$\mathrm{everything}\mathrm{is}\mathrm{odd}\mathrm{except}100\mathrm{and}\mathrm{nothig}$$$$\mathrm{is}\mathrm{divisible}\mathrm{by}5$$$$\mathrm{the}\mathrm{answer}\mathrm{has}2\mathrm{zeros}\mathrm{only}\mathrm{at}\mathrm{the}\mathrm{end}$$

Commented by antoineop last updated on 03/Nov/20

$$(littlemistakesthelast5shouldnt$$$$bethere)$$

Answered by mindispower last updated on 03/Nov/20

$$125=25.5$$$$798=2.399$$$$666=2.333$$$$thenumberismulipleof100not1000$$$$(25.2.2)........allltherestesoanswerisb$$

Commented by peter frank last updated on 03/Nov/20

$$\mathrm{thank}\mathrm{you}\mathrm{both}$$

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