एक घन का आकार बढ़ाने के लिए उसे खींचा जाता है। घन का विकर्ण 50% बढ़ जाता है। तो उसका आयतन कितना बढ़ जाता है?

This question was previously asked in
DSSSB Assistant Teacher (Nursery) Official Paper (Held On: 19 Nov, 2019 Shift 3)
View all DSSSB Nursery Teacher Papers >
  1. 250%
  2. 233.75%
  3. 237.50%
  4. 240%

Answer (Detailed Solution Below)

Option 3 : 237.50%
Free
DSSSB Nursery Teacher Full Mock Test
2.7 K Users
200 Questions 200 Marks 120 Mins

Detailed Solution

Download Solution PDF

दिया गया है:

घन के विकर्ण में 50% की वृद्धि

प्रयुक्त सूत्र:

घन का विकर्ण = √3 × भुजा

घन का आयतन = भुजा3

गणना:

माना कि एक घन की प्रत्येक भुजा सेमी है। 

आयतन = a3

a में 50% की वृद्धि होती है। 

a + (a/100) × 50 = a + a/2 = 3a/2

नया आयतन =(3a/2)= 27a3/8

आयतन में वृद्धि =(27a3/8) - a3

=(27a– 8a3)/8 = 19a3/8

वृद्धि का % ={(19a3/8)×100}/a3

=19 × 25/2 = 475/2 = 237.5

आयतन 237.5% बढ़ जाएगा। 

Latest DSSSB Nursery Teacher Updates

Last updated on Jul 9, 2025

-> The DSSSB Nursery Teacher Exam will be conducted from 10th to 14th August 2025.

-> The DSSSB Assistant Teacher (Nursery) Notification was released for 1455 vacancies.

-> Candidates who are 12th-passed and have Diploma/Certificate in Nursery Teacher Education or B. Ed.(Nursery) are eligible for this post.

-> The finally selected candidates for the post will receive a DSSSB Assistant Teacher Salary range between Rs. 35,400 to Rs. 1,12,400.

-> Candidates must refer to the DSSSB Assistant Teacher Previous Year Papers to boost their preparation.

More Solid Figures Questions

More Mensuration Questions

Get Free Access Now
Hot Links: teen patti master update teen patti game paisa wala teen patti joy official teen patti casino download