Question
Flame photometer is used in the determination
ofSolution
A flame photometer is commonly used to measure the concentration of certain elements, notably potassium and sodium, in soil and plant materials.
Which of the following interchange of sign would make the given equation correct?
45 × 9 + 5 ÷ 4 = 25
Which two signs need to be interchanged to make the following equation correct?
75 – 18 × 80 ÷ 16 + 40 = 125
If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression.
54 D...
In the following equations, if ‘+’ is interchanged with ‘—’ and ‘6’ is interchanged with ‘7’, then...
If the ‘-’ and ‘×’ are interchanged, What will be the value of the following equation?
34 × 22 + 192 ÷ 12 – 8
...Which among the given operators should replace the “%” (in the same order) in the given expression below:
6 % 11 % 6 % 37 % 30 % 7
Select the number from among the given options that can replace the question mark (?) in the following series.
24, 35, 51, 73, 102, ?
...Which one of the given mathematical operations will result in 291?
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and '÷' means 'multiplication', then what is the value of the following expres...
If P denotes ‘multiplied by’, T denotes ‘subtracted’, M denotes ‘added to’ and B denotes ‘divided by’, then 48 B 6 P 15 T 14 M 12 =?
