BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

sum of §n§^3 and ∫n∫^2 be -7.91

Expert replies
by sanju09 » Tue Oct 12, 2010 6:12 am
If §n§ represents the greatest integer just lower than n, and ∫n∫ represents the fractional value in n, then for what value of n will the summation of §n§^3 and ∫n∫^2 be -7.91?
(A) -2.97
(B) -2.30
(C) -2.03
(D) -1.97
(E) -1.70





[spoiler]Made up[/spoiler]
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com
Join the discussion
Source: — Problem Solving |

by deepaks04 » Tue Oct 12, 2010 6:24 am
Answer is E
-1.7 = -2+0.3

-2^3 + 0.3^2=-7.91
Join the discussion