Question 15

If 5 * 3 = 19 and 8 * 5 = 49, then what should 6 * 4 be?

Solution

The pattern followed is that $$a*b=a\times b+(a-b)^2$$

Eg : $$5*3=5\times3+(5-3)^2=15+4=19$$

and $$8*5=8\times5+(8-5)^2=40+9=49$$

Similarly, $$6*4=6\times4+(6-4)^2=24+4=28$$

=> Ans - (B)

Create a FREE account and get:

Free SSC Study Material - 18000 Questions
230+ SSC previous papers with solutions PDF
100+ SSC Online Tests for Free

CAT Quant Questions | CAT Quantitative Ability

CAT Linear Equations Questions CAT Quadratic Equations Questions CAT Logarithms Questions CAT Number Systems Questions CAT Arithmetic Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Coins and Weights Questions CAT Truth Lie Concept Questions CAT Games and Tournamnents Questions CAT 2D & 3D LR Questions CAT Puzzles Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Grammar and Sentence Correction Questions CAT Reading Comprehension Questions CAT Odd One Out Questions CAT Para Jumbles Questions CAT Critical Reasoning Questions

Follow us on

Boost your Prep!

Download App