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Vihaan Tyagi from Vikas the concept, Hyderabad
Subject :IMO    Class : Class 6

Which of the following ratios is not equal to 3 : 8 in its simplest form?

A207 : 552
B261 : 696
C141 : 392
D153 : 408


Is there a shortcut method for this

Ans 1:

somesh from Centre point katol road, Nagpur
Class : Class 6
Your extraordinary brain is uselessCorrect answer is option C.408 is divisible by 8153 is divisible by 3.

Ans 2:

Ayan Vohra from Bhavan Vidyalaya Junior, Chandigarh, chandigarh
Class : Class 6
bros IQ is lower than the smelly sock in my almirah.

Ans 3:

Arnesh Chakraborty from M P Birla Foundation Higher Secondary School, KOLKATA
Class : Class 6
yeah souvagya the c.a. is c.

Ans 4:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9
SOF , please explain how the ans is option C . According to my extra ordinary brain , the ans should be option D because 141: 392 { option C } , in this the HCF of 141 and 392 is 1 , so they are co prime numbers. And 153 : 408 { option D} , in this , if we divide by 51 , we get 3 : 8 , so this must be the correct ans. SOF , please correct it .

Ans 5:

Neerantra from DPS Electronic City, Bangalore
Class : Class 6

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