कमीतकमी धन पूर्णांक संख्येसह 4050 गुणाकार केल्यावर  मिळवलेल्या पूर्ण वर्ग संख्येचा वर्गमूळ शोधा.

This question was previously asked in
RRC Group D Previous Paper 32 (Held On: 1 Oct 2018 Shift 3)
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  1. 80
  2. 90
  3. 85
  4. 95

Answer (Detailed Solution Below)

Option 2 : 90
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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संकल्पना:

कोणत्याही  संख्येचा वर्गमूळ शोधण्यासाठी त्याचे अवयव पाडा.


गणना:

4050 = 2 × 3 × 3 × 3 × 3 × 5 × 5

जर आपण 4050 ला 2 ने गुणाकार केला तर.


⇒ 4050 × 2 = 8100

आता, √8100 = √(2 × 2 × 3 × 3 × 3 × 3 × 5 × 5)

⇒ √8100 = 2 × 3 × 3 × 5 = 90

8100 मिळविण्यासाठी 4050 ला 2 ने गुणले जाते ज्याचे वर्गमूळ 90 आहे. 

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