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Mridul Jain from Shishukunj International School Indore, Indore
Subject :NSO    Class : Class 5

Find the missing number, if same rule is followed in all the three figures.


A15
B25
C12
D16


Please explain how to solve this?

Ans 1:

Karthik Reddy Munnangi from Chirec International School, Hyderabad
Class : Class 6
Tough Question. I agree.

Ans 2:

komal from A.V.M, Mumbai
Class : Class 1
Very tough for 5 th grade

Ans 3:

Krethick Ravichandran from FIITJEE GLOBAL SCHOOL , India
Class : Class 9

Ans 4:

DIVYAM from GUNDECHA EDUCATION ACADEMY, Mumbai
Class : Class 3

Ans 5:

Anusha Agarwal from Convent of jesus and Mary st Anthony junior college , Agra
Class : Class 5

Ans 6:

Aadi from Treamis World School, Bangalore
Class : Class 8
The correct answer is B As 25 into

Ans 7:

Rishabh Rathi from Blue Ridge Public School, Pune
Class : Class 5
The answer is B.Because,(upper left corner X upper right corner) - (lower left corner X lower right corner) = Middle Number.

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Tough question ... Not for class 5 , I'm sure !!!

Ans 9:

Ashwak from Cambridge, Jalandhar
Class : Class 8
B

Ans 10:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
Yes very tough... didn't understand until I looked at the forum, the didn't even give solution.

Ans 11:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9
Can't understand which formula to be applied

Ans 12: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B.

In the first figure 25 X 15 - 12 X 14 = 207

In the 2nd figure, 16 X 17 - 10 X 12 = 152

Similarly, in the third figure, 25 X 25 - 21 X 18 = 247

Hence, the missing number is 25


Ans 13:

Sourav Jena from ODM public school , BHUBANESWAR
Class : Class 4

Ans 14:

shaurya singh mandla from vibgyor high, Mumbai
Class : Class 7
Toughest Question ever

Ans 15:

DIVYAM from GUNDECHA EDUCATION ACADEMY, Mumbai
Class : Class 3
this is a tough question

Ans 16:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9

Ans 17:

Ekansh Sharma from VidyaShilp Academy, Bengaluru
Class : Class 6
Thank you adminplz answer for the other questions also

Ans 18:

Shauryadeep from DPS megacity, Kolkata
Class : Class 5

Ans 19:

ALICE from Delhi Public School, UDAIPUR
Class : Class 8
Correct answer might be B.

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