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10 questions
When a number is subtracted from itself, the difference is always _____.
1
0
2
the number itself
19
0
1
meaningless
Double of a number is 100. What is half of the number?
25
20
50
10
2439200
2440200
244200
244000
15
120
80
40
22
21
20
4
The sum of two numbers is 342. If one number is 196. Find the other number.
156
146
148
166
If 18 books can be kept on one shelf, how many such shelves are needed for 684 books?
31
36
38
40
The product of smallest 4-digit number and the face value of the digit 2 in 39248 is _____.
1000
200
20
2000
45,800 + 15,000 - 29,950
30,950
49,850
29,850
30,850