Advertisements
Advertisements
प्रश्न
If A3 + 8B = 150, then the value of A + B is ______.
पर्याय
13
12
17
15
Advertisements
उत्तर
If A3 + 8B = 150, then the value of A + B is 13.
Explanation:
We have,
A3 + 8B = 150
Here, 3 + B = 0,
So 3 + B is a two-digit number whose unit’s digit is zero.
∴ 3 + B = 10
⇒ B = 7
Now, considering ten’s column,
A + 8 + 1 = 15
= A + 9 = 15
⇒ A = 6
Hence, A + B = 6 + 7 = 13
APPEARS IN
संबंधित प्रश्न
Given an example of a number which is divisible by both 4 and 8 but not by 32.
Which of the following statement is true?
If a number divides three numbers exactly, it must divide their sum exactly.
Do you remember magic triangles? Come now, let s make some magic squares.
- Fill this square using all the numbers from 46 to 54.
Rule: The total of each line is 150.
Now you try and change these numbers into special numbers —
28
If 5A × A = 399, then the value of A is ______.
A four-digit number abcd is divisible by 11, if d + b = ______ or ______.
If B × B = AB, then either A = 2, B = 5 or A = ______, B = ______.
If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is ______.
If a number a is divisible by b, then it must be divisible by each factor of b.
1y3y6 is divisible by 11. Find the value of y.
