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

Write the negative (additive inverse) of each of the following:

Write the negative (additive inverse) of each of the following:

Write the negative (additive inverse) of each of the following:

Write the negative (additive inverse) of each of the following:

Write the negative (additive inverse) of each of the following:
1

Write the negative (additive inverse) of each of the following:
 −1

Find the smallest number by which the given number must bew multiplied so that the product is a perfect square: 

 23805 

Find the smallest number by which the given number must bew multiplied so that the product is a perfect square: 

12150 

Find the smallest number by which the given number must bew multiplied so that the product is a perfect square: 

7688 

Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:

14283 

Find the smallest number by which the given number must be divided so that the resulting number is a perfect square: 

1800 

Find the smallest number by which the given number must be divided so that the resulting number is a perfect square: 

2904

By just examining the units digit, can you tell which of the following cannot be whole square? 

1026

By just examining the unit digis, can you tell which of the following cannot be whole squares? 

 1028

By just examining the unit digit, can you tell which of the following cannot be whole square? 

1024 

By just examining the unit digit, can you tell which of the following cannot be whole square? 

 1022 

By just examining the unit digit, can you tell which of the following cannot be whole square? 

1023

By just examining the unit digit, can you tell which of the following cannot be whole square? 

 1027 

Write five numbers for which you cannot decide whether they are squares. 

Write five numbers which you cannot decide whether they are square just by looking at the unit's digit.