Question

*निम्न में से कौन सी संख्या 2 से विभाज्य है लेकिन 5 से नहीं?* 1️⃣ 25 2️⃣ 22 3️⃣ 75 4️⃣ 91​

Answer 1

Answer:

option 2

answer is 22

thanks

Answer 2

Given : संख्या  1️⃣ 25 2️⃣ 22 3️⃣ 75 4️⃣ 91​

To Find : कौन सी संख्या 2 से विभाज्य है लेकिन 5 से नहीं

Solution:

Numbers are divisible by 2 if unit digit is  divisible by 2

( mean unit digit 0 , 2 , 4  , 6 or 8 )

Numbers are divisible by 5 if unit digit is divisible by 5   ( means unit digit 0 or 5)

25 is divisible by 5  but not by 2

22 is divisible by 2  but not by 5

75  is divisible by 5  but not by 2

91 is neither divisible by 5 nor by 2

Hence 22,   2 से विभाज्य है लेकिन 5 से नहीं

Correct answer is 22

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