Sum of 12 numbers = 12 X 15 = 180 Sum of 14 numbers = 14 X 16 = 224 So, x + y = 224 - 180 = 44 ----------(i) And, x - y = 20 -----------(ii) Solving (i) and (ii) , we get x = 32 and y = 12 Hence, option a.
What will be the value of expression if the signs ‘(-)’ and ‘(+)’ are interchanged?
75 + 42 – 6 × 56 ÷ 7 + 6 × 3 – 2
...After interchanging the given two signs, what will be the value of the given equation? + and ÷
144 ÷ 12 + 36 × 3 - 18
If in a certain code language ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’....
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and '÷' means 'multiplication', then what is the value of the following expres...
If A denotes ‘addition’, B denotes ‘multiplication’, C denotes ‘subtraction’, and D denotes ‘division’, then what will be the value of t...
Select the correct sequence of mathematical signs that can sequentially replace the ‘#’ signs and balance the given equation.
56 # 8 # 4 # 32...
Mohit and Sudesh bought pens and notebooks from the same shop. Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. Sudesh bought 5 pens a...
If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression?
648 - 9 + 118 X 15 ÷...
If '@' denotes 'addition', '#' denotes 'subtraction', '$' denotes 'multiplication' and '%' denotes 'division', then what will be the value of the follow...
If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 84 ! 5 # 6 ^ 21 $ 7 is
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