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More Mathematics Questions
'I'f' 'a' '⊕' 'b' '=' '('a' '×' 'b')' '+' 'b',' 't'h'e'n' '5' '⊕' '7' 'e'q'u'a'l's' 't'o'?'
At a special sale, 5 tickets can be purchased for the price of 3 tickets. If 5 tickets are purchased at the sale, the amount saved will be what percent of the original price of the 5 tickets ?
The sum of the digits of a natural number (10 n - 1) is 4707, where n is a natural number. The value of n is :
The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If the average salary of D be twice that of A, then the average salary of B and C is in Rs. :
If x 2 - 3x + 1 = 0, then the value of $${x^2} + x + \frac{1}{x} + \frac{1}{{{x^2}}}$$ is?