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a³-b³ = (a - b) (a² + ab + b²) The speed of the train =(64y3-1) /(4y-1) =(4y)3-1/ (4y-1) =(4y-1) (16y2+4y+1)/ (4y-1) = (16y² + 4y + 1) km/h The speed of the train is (16y² + 4y + 1) km/h.
If ' + ' means ' × ', ' - ' means ' ÷ ', ' × ' means ' - ' and ' ÷ ' means ' + ' then 18 × 9 ÷ 3 + 8 - 4 = ?
...Which two signs should be interchanged to make the given equation correct?
8 – 32 + 20 × 15 ÷ 3 = 271
Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
15 * 9 * 64 ...
If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression:
44 S 96 P 12 R 11 ...
Which two digits and signs can be interchanged so as to balance the given equation?
406- 102 + 128 X 5 ÷ 58 = 545
If ‘-‘ stands for division ‘+’ stands for subtraction ‘÷’ stands for multiplication ‘×’ stands for addition, then which one of the fol...
What will be the value of expression if the signs ‘(-)’ and ‘(+)’ are interchanged?
75 + 42 – 6 × 56 ÷ 7 + 6 × 3 – 2
...If the signs '+' and ' ÷ 'and the numbers '2' and '4' are interchanged, which one of the following four equations would be correct?
A shopkeeper sells rice in such a way that the selling price of 950 gm is the same as the cost price of one kilogram. Find his gain percent.
