Advertisement Remove all ads

A Number When Decreased by 16% Becomes 798 ; Find the Number. - Mathematics

Sum

A number when decreased by 16% becomes 798 ; find the number.

Advertisement Remove all ads

Solution

Let the number = 100
By the given condition,
`x - (x xx 16)/(100)` = 798

⇒ `(100x - 16x)/(100)` = 798

⇒ `(84)/(100)x`  = 798

⇒ `x = (798 xx 100)/(84)`

= `(114 xx 100)/(12)`

= `(114 xx 25)/(3)`

= 38 x 25

= 950

∴ The required number = 950

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 7 Percent and Percentage
Exercise 7 (C) | Q 12.2 | Page 86
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×