Question
Find the value of a, if:
$8a = 35^2- 27^2$
$8a = 35^2- 27^2$
✓
Answer
$8a = 35^2- 27^2$
$8a = (35 + 27)(35 - 27)$
$8a= 62 \times 8$
$\text{a}=\frac{62\times8}{8}$
$= 62$
$8a = (35 + 27)(35 - 27)$
$8a= 62 \times 8$
$\text{a}=\frac{62\times8}{8}$
$= 62$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$(2x + 5y)2 - 1$
→Is $1000$ a perfect cube?
→Simplify: $\frac{(9)^{3}\times27\times\text{t}^4}{(3)^{-2}\times(3)^{4}\times\text{t}^{2}}$
→Mohit bought a shirt for $Rs. 1337$. $50$ including $VAT$ at $7\%.$ Find the original price of the shirt.
→Draw a rough figure of a quadrilateral that is not a parallelogram but has exactly two opposite angles of equal measure.
Factorise the following.
$ p^2-13 p-30 $
→$ p^2-13 p-30 $
Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.)
What can you say about the angle sum of a convex polygon with $8$ number of sides?
→| Figure |  |
 |
 |
 |
| Side | $3$ | $4$ | $5$ | $6$ |
| Angle sum | $180^\circ$ | $2 \times 180^{\circ}$ $=(4-2) \times 180^{\circ}$ |
$3 \times 180^{\circ}$ $=(5-2) \times 180^{\circ}$ |
$4 \times 180^{\circ} $ $=(6-2) \times 180^{\circ}$ |
Find the squares of the following numbers: $127$
→What will be the number of zeroes in the square of the following numbers?
(i) 60 $\quad$ (ii) 400
→(i) 60 $\quad$ (ii) 400
Subtract: $-3p2 + 3pq + 3px$ from $3p(-p - a - r)$
→