Question
Waves that are required for long distance wireless
communication are –Solution
Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short,suchasafewmetresfortelevisionremote control, or as far as thousands or even millions of kilometres for deep-space radio communications.
If ‘%’ means (÷), ‘#’ means (-), ‘@’ means (×), and ‘&’ means (+), then what is the value of the expression:
75 & 15 # 50 % 2 @...
If 'A' means ' X ', 'B' means '÷', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression?
144 B ...
If '@' means '÷', '#' means ' X ', '$' means '+' and '%' means '-' then what would be the value of the expression given below?
Expression: 25 # ...
If,
40 – 14 means 560,
168 + 8 means 21,
26 ÷ 2 means 28,
8 x 7 means 1,
then 410 – 7 x 290 ÷ 350 + 7 x 21 = ?
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
If ‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction&rs...
If ‘+’ means ‘÷’, ‘-’ means ‘+’, ‘×’ means ‘-’ and ‘÷’ means ‘×’, then find the value of the following expression? ...
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and '÷' means 'multiplication', then what is the value of the following expres...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
60 * 48 * 36 * 6 * 15 * 53
Which two signs should be interchanged to make the given equation correct?
8 – 42 + 15 × 20 ÷ 4 = 346
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