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Subject :IMO    Class : Class 4

Which of the following statements is INCORRECT?

A40 thousands + 20 tens + 90 ones is 40290.
BIn roman numeral symbol X cannot be subtracted from L.
CThe sum of third multiple of 8 and fifth multiple of 5 is 49.
D8 is a factor of both 32 and 56.


Ans 1:

Class : Class 4
i putted in fluek

Ans 2: (Master Answer)

Class : Class 1

(B): A. 40 thousands + 20 tens + 90 ones = 40000 + 200 +90 = 40290 (Incorrect)

B. X = 10 and L = 50. And we can do 50 - 10 = 40. (Incorrect)

C Third multiple of 8  = 8 × 3 = 24.
Fifth multiple of 5  = 5 × 5 = 25
So, 24+25 = 49 (Correct)
D.  8 × 4 = 32, 8 × 7 = 56. Hence,  8 is a factor of 32 and 56. (Correct) 
 


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