Questions

BLANKS [1 Marks Each]

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30 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
The perimeter of a square having side $5a \ cm$ is $…………...cm$. $\left(10 a, 25 a^2, 20 a\right)$
Answer
$20a$
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Question 21 Mark
The area of a rectangle having length $x \ cm$ and breadth $(x - 10) \ cm$ is………….$cm ^2$. $\left(2 x-10,2 x+10, x^2-10 x\right)$
Answer
$x^2-10 x$
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Question 31 Mark
The area of a circle having radius $\frac{7}{22} cm$ is………….$cm ^2$. $\left(\frac{7}{22}, \frac{22}{7}, \frac{44}{49}\right)$
Answer
$\frac{7}{22}$
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Question 41 Mark
$PQRS$ is a parallelogram having an area $40 cm ^2$, then area of $\triangle PQR = ............cm ^2. (80, 40, 20)$
Answer
$20$
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Question 51 Mark
In $\triangle ABC , \angle B =90^{\circ}, AB =8 cm$ and $BC =6 cm$, Area of $\triangle ABC =$.............$cm ^2. (24, 48, 12)$
Answer
$24$
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Question 91 Mark
The area of a parallelogram with base $6 \ cm$ and height $5 \ cm$ is…………$cm ^2. (30, 15, 60)$
Answer
$30$
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Question 101 Mark
In $\triangle ABC , AB =8 \ cm , BC =6 \ cm$ and $AC =4 \ cm$. Perimeter of $\triangle ABC =\ cm$. (48, 24, 18)
Answer
$18$
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Question 111 Mark
The area of a triangle with base $10 \ cm$ and height $8 \ cm$ is…………$cm ^2. (80, 40, 30)$
Answer
$40$
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Question 121 Mark
The area of a rectangle with length $15 \ cm$ and breadth $12 \ cm$ is…………$cm ^2. (27, 54, 180)$
Answer
$180$
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Question 131 Mark
The perimeter of a rectangle with length $10 \ cm$ and breadth $8 \ cm$ is $…………cm. (18, 36, 80)$
Answer
$36$
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Question 161 Mark
The perimeter of a square having side $5a \ cm$ is $…………...cm. \left(10 a, 25 a^2, 20 a\right)$
Answer
$20a$
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Question 171 Mark
The area of a rectangle having length $x \ cm$ and breadth $(x - 10) \ cm$ is $………….cm ^2$. $\left(2 x-10,2 x+10, x^2-10 x\right)$
Answer
$x^2-10 x$
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Question 181 Mark
The area of a circle having radius $\frac{7}{22} cm$ is………….$cm ^2$. $\left(\frac{7}{22}, \frac{22}{7}, \frac{44}{49}\right)$
Answer
$\frac{7}{22}$
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Question 191 Mark
$PQRS$ is a parallelogram having an area $40 cm ^2$, then area of $\triangle PQR = ............cm ^2. (80, 40, 20)$
Answer
$20$
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Question 201 Mark
In $\triangle ABC , \angle B =90^{\circ}, AB =8 cm$ and $BC =6 cm$, Area of $\triangle ABC =$.............$cm ^2. (24, 48, 12)$
Answer
$24$
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Question 241 Mark
The area of a parallelogram with base $6 \ cm$ and height $5 \ cm$ is…………$cm ^2. (30, 15, 60)$
Answer
$30$
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Question 251 Mark
In $\triangle ABC , AB =8 cm , BC =6 cm$ and $AC =4 cm$. Perimeter of $\triangle ABC = cm. (48, 24, 18)$
Answer
$18$
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Question 261 Mark
The area of a triangle with base $10 \ cm$ and height $8 \ cm$ is…………$cm ^2. (80, 40, 30)$
Answer
$40$
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Question 271 Mark
The area of a rectangle with length $15 \ cm$ and breadth $12 \ cm$ is…………$cm ^2. (27, 54, 180)$
Answer
$180$
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Question 281 Mark
The perimeter of a rectangle with length $10 \ cm$ and breadth $8 \ cm$ is $…………cm. (18, 36, 80)$
Answer
$36$
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