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If in each number the first and the third digits are inter - changed and the newly formed numbers are arranged in ascending order which number will be the fourth ?

a

583

b

165

c

724

d

637

e

346

Answer : Option E
Explanation :

165 ⇒ 561

346 ⇒ 643

583 ⇒ 385

724 ⇒ 427

637 ⇒ 736

385 < 427 < 561 < 643 < 736

643 ⇒ 346

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