Download App

Algebraic Expressions and Identities — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSAlgebraic Expressions and Identities1 Mark
MCQ
Evaluate $196 \times 204$ using a suitable identity.
  • A
    $40016$
  • B
    $39884$
  • C
    $39985$
  • ✓
    $39984$
✓

Answer

Correct option: D.
$39984$
D.  $39984$
Solution:
$196 \times 204 = (200 - 4) \times (200 + 4)$ and using $(a + b) (a - b)= a^2 - b^2 = (200)^2 - 4^2 = 40000 - 16 = 39984$

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 "M.C.Q. [1 Marks Each]" from Algebraic Expressions and Identities→Algebraic Expressions and Identities — all question types→MATHS STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Tick the correct answer in the following? A polygon has $27$ diagonals. How many sides does it have?
→
The common factor of $3 a b$ and $2 c d$ is
→
The consecutive multiples of $3$ whose sum is $51$ are:
→
A car is travelling at an average speed of 60km per hour. How much distance will it cover in $1$ hour $12$ minutes$?$
→
Both $x$ and $y$ vary inversely with each other. When $x$ is $10$, $y$ is $6$, which of the following is not a possible pair of corresponding values of $x$ and $y?$
→
Tick $(\checkmark)$ the correct answer in the following: By selling a radio for $Rs. 950,$ a man loses $5\%.$ What percent shall he gain by selling it for $Rs. 1040?$
→
Which of the points given is a point on the $X-$axis?
→
$503600$ is equal to:
→
The range of the data $30, 61, 55, 56, 60, 20, 26, 46, 28, 56$ is:
→
On selling a chair for Rs. $680$, a man loses $15 \%$. To gain $15 \%$, it must be sold for:
→