Coding and Decoding Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

90 ÷ 10 + 5 - 6 x 4 = 28

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

16 x 4 - 10 + 2 ÷ 12 = 18

If "A" denotes "addition", "B" denotes "divided by", "C" denotes "multiplication" and "D" denotes "subtraction", then

96 B 12 C 4 A 8 D 32 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

16 x 4 - 10 + 10 ÷ 6 = 54

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

15 x 2 + 10 - 8 ÷ 20 = 15

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

21 + 16 x 35 - 70 ÷ 20 = 9

If train is called bus, bus is called tractor, tractor is called car, car is called scooter, scooter is called bicycle, bicycle is called moped, which is used to plough a field ?

Which one of the following interchanges in signs and numbers would make the given equation correct?

3 + 5 - 2 = 4