Question
If x stands for âadditionâ, á stands for
âsubtractionâ, + stands for âmultiplicationâ, and â stands for âdivisionâ, then 30 x 40 â 4 + 2 á 8 = ?Solution
The equation after sign change can be rewritten as:  30 + 40 á 4 x 2 â 8 = ? 30 + 10 x 2 â 8 = ? 30 + 20 â 8 = ? 30 + 12 = ? ? = 42  Hence, the correct answer is (C).
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and 'á' means 'multiplication', then what is the value of the following expres...
If â Ă â means â + â. â+â means âáâ, â-â means âĂâ and âáâ means â-â, then 9 Ă 8 â 5 + 40 á 3 = (?)
...If 'A' means ' X ', 'B' means 'á', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression?
200 B 8 C...
Which two signs should be interchanged to make the given equation correct?
8 â 26 + 15 Ă 18 á 6 = 220
Out of the total number of players, 100/3 % are in hotel X and the remaining are in hotel Y. If 20 players from hotel Y are shifted to hotel X, then the...
Select the correct combination of mathematical signs that can sequentially replace â*â sign and balance the equation given below.
42 * 18 ...
Which two signs should be interchanged to make the following equation correct?
9 Ă 10 á 2 â 4 = 51 + 2Â
If four hats are picked at random, what is the probability that one is green, two are blue and one is red?
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.
If '+' means ' - ', ' X ' means '+', ' - ' means 'á' and 'á' means ' X ', then what is the value of the following expression?
14 á 5 x 63 - 9 ...
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