missing number questions for class 3


Question 1:

Find the missing number from the given alternative:


Options:

(a)42

(b)25

(c)32

(d)21

Answer:

25

Solution:

Figure 1:

22=4, 32=9, 42=16

Figure 2:

12=1, 22=4, 32=9

Figure 3:

32=9, 42=16, 52=25

Question 2:

Find the missing number from the given alternative:


Options:

(a)10

(b)16

(c)12

(d)35

Answer:

16

Solution:

Column 1:

(11+1)(11-1)=12*10=120

Column 2:

(7+2)(7-2)=9*5=45

Column 3:

(5+3)(5-3)=8*2=16

Question 3:

Find the missing number from the given alternative:


Options:

(a)72

(b)65

(c)43

(d)94

Answer:

65

Solution:

Row 1:

(24+36)/3=60/3=20

Row 2:

(15+18)/3=33/3=11

Row 3:

(55+?)/3=40

55+?=40*3=120

?=120-55=65

Question 4:

Find the missing number from the given alternative:


Options:

(a)55

(b)65

(c)49

(d)85

Answer:

65

Solution:

Column 1:

72+42+22=49+16+4=69

Column 2:

32+92+12=9+81+1=91

Column 3:

22+62+52=4+36+25=65

Question 5:

Find the missing number from the given alternative:


Options:

(a)35

(b)25

(c)46

(d)54

Answer:

35

Solution:

Row 1:

8*4=32

Row 2:

7*5=35

Row 3:

2*3=6

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