The roots of the equations x2 + 16x + 63 = 0
=> x2 + 9x + 7x + 63 = 0 => x(x + 9) + 7(x + 9) = 0 => (x + 9) (x +7) = 0 => x = -9, -7
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
34 * 352 * 8 * 9 * 135 = 295
If ‘@’ means ‘+’, ‘#’ means ‘-’, ‘$’ means ‘×’ and ‘%’ means ‘÷’, then what is the value of the following expression?...
If '+' means '-', '×' means '+', '-' means '÷', and '÷' means '×', then what is the value of the expression ' 100 - 10 + 30 × 5 ÷ 2 × 10' ?
...Given set: [40, 36, 28]
If ‘L’ denotes ‘addition’, ‘M’ denotes ‘multiplication’, ‘N’ denotes ‘subtraction’, ‘P’ denotes ‘division’, then what w...
Which signs should be interchanged to make the given equation correct.
51 ÷ 3 + 17 x 14 - 2 = 6
Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
18 * 6 * 6...
Which two signs should be interchanged to make the following equation correct?
9 × 10 ÷ 2 – 4 = 51 + 2
Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on the ...
If + means ÷, × means –, – means × & ÷ means +, then 32 + 16 – 13 x 18 ÷ 2 = ?
