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Subject :NSO    Class : Class 6

Find the missing number, if a certain rule is followed in the following figures.



A 161
B 452
C 1583
D 2331


How did you derive this?

Ans 1:

Class : Class 6
The answer is C - You have to take add the first and fourth term and then subtract it from the difference of second and third term eg of 1st one: 175 + 428 = 603 , 81 - 24 =57 603 + 57 = 660 Therefore, 1085 + 231 = 1316 , 641 - 374 = 267 1316 + 267 = 1583 Answer = C

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