Which of the following is a chemical property?
The ability of two or more substances to combine to form other substances is called Reactivity.
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Who has been appointed as an Executive Director in the World Bank in the US ?
Electric charges that are different attract each other.
Same charges will repel each other and the charges that are different will attract each other.
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In what way is geography an integrative science?
If cosecA + cotA = x, then value of x is
3 brothers divided Rs. 1620 among them in such a way that the share of second is equal to 5/13 of share of other two, combined. What is the share of the second one?
What is the reciprocal of a negative number?
The reciprocal of a negative number is always a negative number. So that the number and its reciprocal multiply to 1.
All real numbers except 0 have reciprocals.
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3 x 3 + 3 - 3 + 3 = ?
Using BODMAS law,
3 x 3 + 3 - 3 + 3 =
3 x 3 = 12
= 12 + 3 - 3 + 3
= 9 + 3
= 12
Hence, 3 x 3 + 3 - 3 + 3 = 12.