Question
A number is first increased by 50% and then decreased by
50%. If the net change in the number is 400, then find the original number.Solution
ATQ, Let the original number be '100a'. Final number = 100a x (150/100) x (50/100) = '75a' Net decrease = 100a - 75a = '25a' Or, 25a = 400 Or, 'a' = 400 / 25 = 16 Therefore, required number = 100a = 16 x 100 = 1600
More Percentage Questions
Most abundant and basic Auxin is _________
Cultivated strawberry is _____
Application of Kaolin @ 5% reduces transpiration losses, this act as
Which of the following is also “grand period” of rainfall in India?
Whip tail of Broccoli is caused by deficiency of___
Angle formed by attached of a branch to the trunk
 Papaya is a native of _________
Which fruit have highest in vitamin-C is ?
Among the following vegetables, which one is viviparous in nature.
King of Pippin is the variety of ......
Relevant for Exams:
