New RBI Grade B 2025 Notification will come Soon! Enroll Here

Question

If 27 (x+y)³ − 8(x−y)³ = (x + 5y)

(Ax² + By² + Cxy), then what is the value of (A+B-C)?

A 18

B 16

C 13

D 11

Practice Next

More Algebra Questions

Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF
Which letter and number cluster will replace the question mark (?) to complete the given series?

LT6, KU12, IW24, FZ48, ____
Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN
Select the number that can replace the question mark (?) in the following series.

24, 28, 37, 53, 78, ?
A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.

57, 59, 56, 61, 54, ___
Select the number from among the given options that can replace the question mark (?) in the following series.

17, 18, 22, 31, 47, ___
Select the letter-pair that can replace the question mark (?) in the following series?

FK, HM, LQ, RW, ZE, ?