Question

1. What number added to 2.1835 gives 3?

2.The sum of 3.9 and 6.93 subtracted from 38.35 gives what number?
3.What should be added to 4.1648 to get 8?
4.By how much is the difference between 604 and 406.064 less than their sum?
5.By how much should 18.35 be decreased to get 6.4987?

Answer 1

1. 0.8165 ; 2. 27.52 ; 3 = 3.8352 ; 4. 812.128 ; 5. 11.8513

Explanation:

1. 3 - 2.1835 = 0.8165

2. 38.35 - (3.9 + 6.93) = 27.52

3. 8 - 4.1648 = 3.8352

4. 604 + 406.064 = 1010.064

604 - 406.064 = 197.936

1010.064 - 197.936 = 812.128

5. 18.35 - 6.4987 = 11.8513