Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 6 Answered

As per the main height of 4 boys is 145 CM if the heights of three of them are 150 cm 142 cm and 146 cm find the height of the fourth boy
Asked by Mukulkumarverma107 | 04 Feb, 2019, 09:12: PM
answered-by-expert Expert Answer
As per the mean height of 4 boys is 145 CM if the heights of three of them are 150 cm 142 cm and 146 cm find the height of the fourth boy.
 
Solution:
begin mathsize 16px style Let space the space height space of space fourth space boy space is space straight x space cm.
Mean space equals space fraction numerator sum space of space all space the space observations over denominator number space of space observations end fraction
rightwards double arrow 145 space equals space fraction numerator 150 space plus space 142 space plus space 146 space plus space straight x over denominator 4 end fraction
rightwards double arrow 145 space equals space fraction numerator 438 space plus space straight x over denominator 4 end fraction
rightwards double arrow 580 space equals space 438 space plus space straight x
rightwards double arrow straight x space equals space 142 space cm
end style

Answered by Yasmeen Khan | 05 Feb, 2019, 01:20: PM
ICSE 6 - Maths
Asked by baibhanu157 | 16 Mar, 2024, 08:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 6 - Maths
Asked by anand.kyatham | 10 Mar, 2024, 03:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 6 - Maths
Asked by sureshkumar19804g | 25 Feb, 2024, 07:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 6 - Maths
Asked by sanarkhanna | 25 Feb, 2024, 10:28: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 6 - Maths
Asked by southcosuprava | 11 Feb, 2024, 08:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 6 - Maths
Asked by bosearunima | 21 Jan, 2024, 08:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 6 - Maths
Asked by yogiamitjai172504 | 02 Jan, 2024, 10:17: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×