Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions for Mathematics

Find the value of the letters in the following question.

   B  A  A
+ B  A  A
    3  A  8 

Find the value of the letters in the following question.

   A  0  1  B
+ 1  0  A  B
   B  1  0  8 

Find the value of the letters in the following question.

   A  B
×      6
  C 6 8

Find the value of the letters in the following question.

   A  B
× A  B
6 A  B

Find the value of the letters in the following question.

   A  A
   ×  A 
C A  B

Find the value of the letters in the following question.

   A  B
– B  7 
   4  5 

Find the value of the letters in the following question.

   8 A B C
– A B C 5
   D 4 8 8 

If 2A7 ÷ A = 33, then find the value of A.

212 × 5 is a multiple of 3 and 11. Find the value of x.

A three-digit number 2 a 3 is added to the number 326 to give a three-digit number 5b9 which is divisible by 9. Find the value of b – a.

Let E = 3, B = 7 and A = 4. Find the other digits in the sum

    B A S E
 + B A L L  
G A M E S

Let D = 3, L = 7 and A = 8. Find the other digits in the sum

 M A D
 +  A S
 +     A   
B U L L  

If from a two-digit number, we subtract the number formed by reversing its digits then the result so obtained is a perfect cube. How many such numbers are possible? Write all of them.

Work out the following multiplication.

12345679
         ×   9
                  

Use the result to answer the following question.

What will be 12345679 × 45?

Work out the following multiplication.

12345679
         ×   9
                  

Use the result to answer the following question.

What will be 12345679 × 63?

Work out the following multiplication.

12345679
        ×    9
                 
Use the result to answer the following question.

By what number should 12345679 be multiplied to get 888888888?

Work out the following multiplication.

12345679
        ×    9
                 
Use the result to answer the following question.

By what number should 12345679 be multiplied to get 999999999?

Find the value of the letters in the following:

 P  Q
 ×   6  
Q Q Q

Find the value of the letters in the following:

    2  L M
+  L M 1  
   M  1  8  

For the following solid, identify the front, side and top views and write them in the space provided.