Question
Consider the following statements about
nanotechnology: 1. It involves manipulating materials at the atomic and molecular scale. 2. Nanotechnology is widely used in medicine, energy, and electronics. 3. It can only be applied to organic materials. Which of the above statements are correct?Solution
Nanotechnology deals with materials at the nanoscale and is applied across fields like medicine and electronics (statements 1 and 2). It is not limited to organic materials (statement 3 is incorrect).
If ‘P’ means ‘+’, V means ‘x’, T means ‘-‘ and ‘Q’ means “÷’ , then find ...
If '+' means 'division', ' X ' means 'addition', ' - ' means 'multiplication' and '÷' means 'subtraction', then what is the value of the following expr...
If ‘!’ means ‘+’, ‘$’ means ‘-’, ‘#’ means ‘×’ and ‘&’ means ‘÷’ then what would be the value of 18 # 5 $ 4 ! 8 & 4 ?<...
If ‘x’ denotes ‘addition’, ÷ stands for ‘subtraction’, ‘+’ stands for ‘multiplication’, and ‘-‘ stands for ‘division’, th...
Which among the given operators should replace the “%” (in the same order) in the given expression below:
7 % 12 % 7 % 38 % 47 % 8
If ‘+’ means ‘-’, ‘×’ means ‘+’, ‘-’ means ‘÷’ and ‘÷’ means ‘×’, then what is the value of the following expression...
If '+' means 'division', '-' means 'multiplication', '÷' means 'addition' and ' X ' means 'subtraction', then what is the value of the following expres...
If ' X ' means '+', '+' means '-', ' - ' means '÷' and '÷' means ' X ', select the number from the given options that can replace the question mark '...
If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?
Which two signs should be interchanged to make the following equation correct?
38 ÷ 26 – 2 + 5 × 4 = 45
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