Letters for digits

Q.

Find out the wrong term $3,2,8,9,13,22,18,32,23,42$

1. $8$

2. $9$

3. $13$

4. $22$

Q.

$\begin{array}{cc}AB& \\ \times A& \\ BAA& \end{array}$
A=___;B=___

Q.

$\begin{array}{cc}4A& \\ 4BA& \\ +AAB& \\ 1BBB& \end{array}$
A =___;B=___

Q.

Find the value of N in the following addition.

$95N7+1085\underset{–}{}10N52\underset{–}{}$

1. 9

2. 7

3. 8

4. 6

Q.

$\begin{array}{c}AB\\ +AB\\ +B\\ BB\end{array}$
A=___

Q.

If A, B, C, D, .........Z represents numbers from 1, 2, 3, ...... 26. Key can be anything from 1 to 25. For a key of 2, every letter shifts 2 places. To right A becomes C, Z becomes B and so on. If key is equal to 9, match the normal letters with encrypted letters.

$\begin{array}{cc}\text{Normal Letter}& \text{Encrypted Letter}\\ 1A& aY\\ 2F& bD\\ 3P& cO\\ 4U& dI\\ 5Z& eJ\end{array}$

1. 1e, 2b, 3c, 4d, 5a

2. 1b, 2c, 3a, 4e, 5d

3. 1e, 2c, 3b, 4d, 5a

4. 1e, 2c, 3a, 4b, 5d

Q.

$\begin{array}{cc}4A& \\ 4BA& \\ +AAB& \\ 1BBB& \end{array}$
A =___;

B=___

Q.

$\begin{array}{c}AB\\ +AB\\ +B\\ BB\end{array}$
A=___ ; B=___

Q.

The decimal equivalent of ${\left(264\right)}_8$ is

1. $180$

2. $170$

3. $166$

4. None of these

Q.

$\begin{array}{c}AB\\ +AB\\ +B\\ BB\end{array}$
A=___ ;B=___

Q.

$\begin{array}{cc}4A& \\ 4BA& \\ +AAB& \\ 1BBB& \end{array}$
A=___;B=___;

Q.

$\begin{array}{cc}1728& \\ +B& \\ 172C& \end{array}$
C =___

Q.

Find A and B

$\begin{array}{c}A1\\ +1B\\ B0\end{array}$ [2 MARKS]

Q.

$\begin{array}{c}AB\\ +AB\\ +B\\ BB\end{array}$
Find the value of A and B.

1. A=2, B=5
2. A=3, B=6
3. A=3, B=5
4. A=4, B=6

Q.

Find the value of ‘A’ & ‘B’ from the following ?

$3A+25\underset{–}{}B2\underset{–}{}$

1. A = 7, B = 5

2. A = 6, B = 7

3. A = 7, B = 6

4. A = 6, B = 6

Q.

A, B, C, ......... Z represent the numbers from 1, 2, 3, ...... 26. There is an encryption technique which uses a key. Key can be any number less than 26 and greater than 0. For a message ABCD, if key is 1, encrypted message becomes BCDE. Similarly, if the key is 5, and message is XYZA, the encrypted message becomes CDEF. If you get an encrypted message from a friend as 'FCJN'. This was encrypted using key = 24. The original message is ___ .

Q.

Find A and B

$\begin{array}{c}A1\\ +1B\\ B0\end{array}$ [2 MARKS]

Q. 651 = 6 x + 5 x 10 + 1

1. 10
2. 100
3. 1000

Q.

$\begin{array}{cc}4A& \\ 4BA& \\ +AAB& \\ 1BBB& \end{array}$
A =___;B=___

Q. Show that the Cryptarithm does not have any solution.

Q.

$\begin{array}{cc}1728& \\ +B& \\ 172C& \end{array}$
B =___; C =___

Q.

What are the possible values digits A and B can take for
$\left(\begin{array}{cc}1A& \\ -B& \\ B& \end{array}\right)$ to hold true.

1. 2 and 6

2. 4 and 7

3. 8 and 9

4. All of these

Q.

$\begin{array}{cc}AB& \\ \times 6& \\ BBB& \end{array}$
A=___;

B=___

Q.

Find Q in the addition.

$31Q+1Q3\underset{–}{}501\underset{–}{}$

1. 7

2. 6

3. 8

4. 5

Q.

Find the digits A and B for the given multiplication to hold true.
$\begin{array}{c}AA\\ \times BB\\ AA\\ =AA0\\ A6A\end{array}$

1. A = 3, B = 1

2. A = 6, B = 2
3. A = 4, B = 5
4. A = 2, B = 6

Q. Find the value of A.
$8A535$
$45698$
$+A56987$
$\underset{–}{}$
$385AA0$
$\underset{–}{}$

1. 2
2. 3
3. 5
4. 9

Q.

When Rashi ordered pizza and coke, the bill had the digits A and B not visible clearly.

$$\begin{array}{ccc}PizzaA& 1& 2\\ Coke+3& 1& B\\ 5& 2& 5\end{array}$$

Using the information visible on her bill, find the digits A and B respectively.

1. A = 2, B = 1

2. A = 2, B = 3

3. A = 3, B = 5

4. A = 1, B = 3