The atoms of the elements having same difference between mass number and atomic number are called ______.
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In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
24 + 12 x 30 ÷ 2 - 6 = ?
............ element is represented by the given symbol.
The point equidistant from the vertices of a triangle is called its
A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:
Among plants, three different genera Solanum, Petunia and Datura are placed in which family?
Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?
Malthusian theory is associated with which of the following ?