Question types

MODEL PAPER 3 (BASIC) question types

44 questions across 6 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.

44
Questions
6
Question groups
5
Question types
Sample Questions

MODEL PAPER 3 (BASIC) questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Consider the following table:
Class interval $10-14$ $14-18$ $18-22$ $22-26$ $26-30$
Frequency $5$ $11$ $16$ $25$ $19$
The mode of the above data is
  • A
    $25$
  • B
    $23.5$
  • $24.4$
  • D
    $24$

Answer: C.

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A cylindrical vessel of radius $4 \ cm$ contains water. A solid sphere of radius $3 \ cm$ is lowered into the water until it is completely immersed. The water level in the vessel will rise by
  • $\frac{9}{4} \ cm$
  • B
    $\frac{9}{2} \ cm$
  • C
    $\frac{2}{9} \ cm$
  • D
    $\frac{4}{9} \ cm$

Answer: A.

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Consider the following frequency distribution:
Class0-56-1112-1718-2324-29
Frequency131015811
The upper limit of the median class is
  • A
    18.5
  • 17.5
  • C
    18
  • D
    17

Answer: B.

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In a single throw of a die, the probability of getting a multiple of $3$ is
  • A
    $\frac{1}{6}$
  • B
    $\frac{2}{3}$
  • C
    $\frac{1}{2}$
  • $\frac{1}{3}$

Answer: D.

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Pankaj has a motorcycle with wheels of diameter 91 cm. There are 22 spokes in the wheel. Find the length of arc between two adjoining spokes.
  • A
    13 cm
  • B
    26 cm
  • C
    15 cm
  • D
    18 cm
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Assertion $(A):$ For any two positive integers $a$ and $b, \operatorname{HCF}(a, b) \times \operatorname{LCM}(a, b)=a \times b$
Reason $(R):$ The $\text{HCF}$ of two numbers is $5$ and their product is $150.$ Then their $\text{LCM}$ is $40.$
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A.$
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A.$
  • $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true

Answer: C.

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Assertion (A): Distance between (3, 7) and its image under x-axis is 6 units.
Reason (R): Coordinates of centroid $=\frac{x_1+x_2+x_3}{3}, \frac{y_1+y_2+y_3}{3}$
  • A
    Both A and R are true and R is the correct explanation of A.
  • Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true

Answer: B.

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Q 133 Marks Question3 Marks
The king, queen and jack of clubs are removed from a deck of 52 playing cards and the remaining cards are shuffled. A card is drawn from the remaining cards. Find the probability of getting a card of
i. heart
ii. queen
iii. clubs.
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Q 163 Marks Question3 Marks
In the given figure, the incircle $-$ of $\triangle A B C$ touches the sides $BC, CA$ and $AB $ at $P, Q$ and $R$ respectively. Prove that $(AR + BP + CQ) = (AQ + BR + CP) =\frac{1}{2}($ perimeter of $\triangle A B C)$.
Image
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The median of the following data is $525.$ Find the values of $x$ and $y,$ if the total frequency is $100.$
Class interval Frequency
$0-100$ $2$
$100-200$ $5$
$200-300$ $x$
$300-400$ $12$
$400-500$ $17$
$500-600$ $20$
$600-700$ $y$
$700-800$ $9$
$800-900$ $7$
$900-1000$ $4$
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A cylindrical tub of radius $12 \ cm$ contains water to a depth of $20 \ cm.$ A spherical ball is dropped into the tub and the level of the water is raised by $6.75 \ cm.$ Find the radius of the ball.
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In Figure, from a solid cube of side $7 \ cm,$ a cylinder of radius $2.1 \ cm$ and height $7 \ cm$ is scooped out. Find the total surface area of the remaining solid.
Image
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A motor boat whose speed is $18 \ km/h$ in still water takes $1$ hour more to go $24 \ km$ upstream, than to return to the same point. Find the speed of the stream and total time of the journey.
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Read the following text carefully and answer the questions that follow: A bird is sitting on the top of a tree, which is $80\ m$ high. The angle of elevation of the bird, from a point on the ground is $45^{\circ}$. The bird flies away from the point of observation horizontally and remains at a constant height. After $2$ seconds, the angle of elevation of the bird from the point of observation becomes $30^{\circ}$. Find the speed of flying of the bird.
Image
$i.$ Find the distance between observer and the bottom of the tree?
$ii$. Find the speed of the bird?
$iii$. Find the distance between second position of bird and observer?
OR
Find the distance between initial position of bird and observer?
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Read the following text carefully and answer the questions that follow:
Elpis Technology is a laptop manufacturer. The company works for many branded laptop companies and also provides them with spare parts. Elpis Technology produced $6000$ units in $3^{rd}$ year and $7000$ units in the $7^{th}$ year.
Image
Assuming that production increases uniformly by a fixed number every year.
$i.$ Find the production in the $1^{st}$ year.
$ii.$ Find the production in the $5^{th}$ year.
$iii$. Find the total production in $7$ years.
OR
Find in which year $10000$ units are produced?
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