Question 99

The ratio of two numbers is 5 : 6 and their LCM is 150. Find the sum of the two numbers.

Solution

The ratio of two numbers is 5 : 6, so the nos be 5x and 6x

LCM of 5x and 6x = 30x

$$30x = 150$$

$$x=5$$

So the sum wil be$$ 5\times 5 + 6\times 5 = 55$$

Option D is correct

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 Inequalities Questions CAT Averages, Ratio and Proportion Questions CAT Progressions and Series Questions CAT Percentages Questions CAT Profit, Loss and Interest Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Data change over a period Questions CAT Arrangement Questions CAT Maxima-Minima Questions CAT Charts Questions CAT Selection With Condition Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Para Summary Questions CAT Reading Comprehension Questions CAT Para Jumbles Questions CAT Miscellaneous Questions CAT Critical Reasoning Questions

Follow us on

Boost your Prep!

Download App