Question 25

What is the HCF of 16, 72 and 28 ?

Solution

facotors of 16 ,72, 28

$$16=\ 2\times\ 2\times\ 2\times\ 2$$

$$72=\ 2\times\ 2\times\ 3\times\ 3$$

$$28=\ 2\times\ 2\times\ 7$$

comman factor =$$\ 2\times\ 2$$=4

Hence option 'B' 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 Algebra Questions CAT Data Sufficiency Questions CAT Time, Distance and Work Questions CAT Number Systems Questions CAT Linear Equations Questions

CAT DILR Questions | LRDI Questions For CAT

CAT DI with connected data sets Questions CAT Routes And Networks Questions CAT Special Charts Questions CAT Table with Missing values Questions CAT Selection With Condition Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Vocabulary Questions CAT Miscellaneous Questions CAT Odd One Out Questions CAT Verbal Ability Questions CAT Critical Reasoning Questions

Follow us on

Boost your Prep!

Download App