If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 945217, then what will be the sum of number/numbers not repeated in the new number?

If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 621754, then what will be the sum of number/numbers not repeated in the new number?

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 and 2 notebooks by paying an amount of ₹116. How much did Mohit spend on buying notebooks?

If 6 * 9 – 4 = 58 and 3 * 9 – 7 = 34, then in the expression A * 4 – 9 = 91, what is the value of 'A'?

Select the correct set of symbols which will fit in the given equation 5 0 3 5 = 20 

which of the following meanings of the arithmetical signs will yield the value ' zero ' for the expression given below?
200x100 + 300 x 200 10÷2 + 40

If ‘+’ stands for division, ÷ stands for multiplication, multiplication stands for addition; then which one of the following equation is correct?

A man takes 6 km distance to go around the rectangular area. If the area of the rectangle is 2 sq. km. find the difference between length and breadth.