Question
Select the option that is related to the sixth number in
the same way as the first number is related to the second number and the third number is related to the fourth number. 121 : 196 :: 225 : 324 :: ? : 400Solution
121 : 196→ 11² = 121; (11 + 3)²= 14² = 196 225 : 324→ 15² = 225; (15 + 3)²= 18² = 324 289 → 17² = 289; (17 + 3)²= 20² = 400
To represent the unit of data, which of the following devices use ‘set of beads’?Â
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