Give reason to show that the number given below is a perfect squa… - Vidyadip

Question

Give reason to show that the number given below is a perfect square :
640

✓

Answer

self

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Squares and Square Roots, Cubes and Cube Roots→Squares and Square Roots, Cubes and Cube Roots — all question types→MATHS STD 8 question papers→ICSE Board STD 8 question papers→ICSE Board question paper generator→

Similar questions

Test the divisibility of number by 2 :
881

Subtract : $\frac{-8}{11} \text { from } \frac{4}{11} \text { c }$

If $a^2 + b^2 = 41$ and $ab = 4$, find : $a – b$

Calculate the sum of angle of a polygon with $: 25$ sides

Simplify : $(4x – 5y) (5x – 4y)$

The ratio of number of boys to the number of girls in a school of 1440 students is $7: 5$. If 40 new boys are admitted, find how many new girls may be admitted to make this ratio $4: 3$.

How many planks each measuring 5 m by 24 cm by 10 cm can be stored in a place 15 m long, 4 m wide and 60 cm deep?

Evaluate using the expansion of $(a + b)^2$ or $(a – b)^2 :(208)^2$

Find three rational number between :
4 and $4 \frac{2}{3}$

Use direct method to evaluate the following products : $(x + 8)(x + 3)$