Question 6

In a 3-digit number, the hundreds digit is 4 times the units digit and the tens digit is thrice the units digit. The sum of the digits is 8. What 1s the tens digit in the number?

Solution

Let the number be xyz
Given x=4z,y=3z
x+y+z=8
4z+3z+z=8
z=1
x=4
y=3

Create a FREE account and get:

Download RRB Study Material PDF
45+ RRB previous papers with solutions PDF
300+ Online RRB Tests for Free

CAT Quant Questions | CAT Quantitative Ability

CAT Quadratic Equations Questions CAT Inequalities Questions CAT Averages Questions CAT Linear Equations Questions CAT Percentages Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Quant Based DI Questions CAT Table with Missing values Questions CAT Selection With Condition Questions CAT Charts Questions CAT Routes And Networks Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Reading Comprehension Questions CAT Verbal Ability Questions CAT Critical Reasoning Questions CAT Odd One Out Questions CAT Vocabulary Questions

Follow us on

Boost your Prep!

Download App