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30 questions · timed · auto-graded

Question 21 Mark
Study the given patterns carefully and tell the number of fish in Pattern $6.$

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Answer
Number of fish in Pattern $1 = 4$
Number of fish in Pattern $2=8$
Number of fish in Pattern $3 = 12$
The pattern followed is:
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Question 41 Mark
Find the missing number, if a certain rule is followed either row-wise or column-wise.
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Answer
The rule followed is:
$7 \times 4 = 28$ and $28 - 1 = 27$
$5 \times 8 = 40$ and $40-1=39$
So, $6 \times 7 = 42$ and $42-1=41$
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Question 71 Mark
Find the missing number, if same rule is followed either row-wise or column-wise.
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Answer
The rule followed is:
$15+17= 32;$
$17+19=36$
So, $18+(12) = 30$
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Question 81 Mark
Find the missing terms in the given alphabet series.
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Answer
The pattern repeats itself after every five alphabets.
So, the missing alphabets are $R$ and $P.$
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Question 121 Mark
Find the missing number, if same rule is followed in all the three figures.
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Answer
The rule followed is:
$(8+5) \times 2 = 13 \times 2 = 26;$
$(7+9) \times 2 = 16 \times 2 = 32$
So, $(2 + 10) \times 2 =12\times 2=(24)$
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Question 171 Mark
Study the given patterns carefully. What will be the number of paper clips in Pattern $5?$
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Answer
Number of paper clips in Pattern $1 = 3$
Number of paper clips in Pattern $2 = 5$
Number of paper clips in Pattern $3 = 7$
The pattern followed is:
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So, the number of paper clips in pattern
$5=11$
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Question 181 Mark
Find the missing number, if a certain rule is followed either row-wise or column-wise.
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Answer
The rule followed is:
$(5 \times 8) + 5 = 40 + 5 = 45;$
$(4 \times 6)+6 = 24 + 6 = 30$
So, $(7 \times 3) + 8 = 21 + 8 = (29)$
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Question 211 Mark
Find the missing number, if same rule is followed in all the three figures.
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Answer
The rule followed is:
$3+5+6+4= 18;$
$8+1+9+2 = 20$
So, $5+6+1+5=17$
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Question 221 Mark
Find the missing number, if same rule is followed in all the three figures.
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Answer
The rule followed is:
$15+419$ and $19+1= 20;$
$8+917$ and $17+1= 18$
So, $6+713$ and $13+1=14$
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Question 241 Mark
Which of the following figures will continue the given figure series?
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Answer
In every next figure, the number of sides of the figure is decreased by $1.$
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Question 261 Mark
Which of the following figures will continue the given figure series?

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Answer
The pattern repeats itself after four figures.
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MCQ - REASONING STD 4 Questions - Vidyadip