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

Redeem

help

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 162
Joined: Mon Jul 28, 2008 8:33 pm
Location: San Jose,CA
Thanked: 1 times

help

by ddm » Mon Aug 25, 2008 3:15 pm
If 5a = 3b = 25, then 30ab =

50
100
625
1000
1250
Top
Source: — Problem Solving |
Senior | Next Rank: 100 Posts
Posts: 35
Joined: Thu Aug 21, 2008 2:55 pm
Thanked: 1 times

by kuroneko1313 » Mon Aug 25, 2008 3:49 pm
5a = 3b =25
a = 5 b = 25/3
30ab = 30 (5) (25/3) = 1250

Can someone please check?
Top
Senior | Next Rank: 100 Posts
Posts: 73
Joined: Thu Aug 07, 2008 7:33 pm
Thanked: 7 times
Followed by:1 members

by just_do_it » Mon Aug 25, 2008 3:51 pm
yep 1250.. that's right.
Top
Newbie | Next Rank: 10 Posts
Posts: 2
Joined: Mon Aug 25, 2008 3:58 pm

by pranav32 » Mon Aug 25, 2008 4:05 pm
can also be looked at like this:-
30ab = 6 x 5 x ab = 2 x 3 x 5 x a x b = 2 x 5a x 3b = 2 x 625 = 1250
Top
Newbie | Next Rank: 10 Posts
Posts: 2
Joined: Mon Aug 25, 2008 3:58 pm

by pranav32 » Mon Aug 25, 2008 4:14 pm
can also be looked at like this:-
30ab = 6 x 5 x ab = 2 x 3 x 5 x a x b = 2 x 5a x 3b = 2 x 625 = 1250
Top
Post new topic Post Reply
• Page 1 of 1