RRB NTPC Prelims Model Paper 3 with solutions

Question : 92 of 100

Marks: +1, -0

When 75% of a number is added to 75, the result is the number again. The number is

Solution:

2) Suppose the number is x.

∴75×X/100+75= x

3X/4+ 75 = x ; 75 = x –{ 3X}/4

75 ={4X-3X}/4

∴ x = 75 × 4

∴x = 300

Go to Question:

Prev Question

Next Question