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nehakhas1
- Senior | Next Rank: 100 Posts
- Posts: 39
- Joined: Wed Oct 15, 2008 11:25 am
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If M a positive integer , then M ^3 has how many digits ?
1) M has 3 digits .
2) M^2 has 5 digits .
Ans : e while I thought its c
Last year in a group of 30 businesses, 21 reported a net profit and
15 had investments in foreign markets. How many of the businesses
did not report a net profit nor invest in foreign markets last year?
(1) last year 12 of the 30 businesses reported a net profit and had investments in foreign markets.
(2) last year 24 of the 30 businesses reported a net profit or invested in foreign markets, or both.
Ans : b
If the average (arithmetic mean) of the assessed values
of x houses is $212,000 and the average of the assessed
values of y other houses is $194,000, what is the average
of the assessed values of the x+y houses?
(1) x+y=36
(2) x=2y
Ans C I still think its b .
Please solve .Thanks in advance
1) M has 3 digits .
2) M^2 has 5 digits .
Ans : e while I thought its c
Last year in a group of 30 businesses, 21 reported a net profit and
15 had investments in foreign markets. How many of the businesses
did not report a net profit nor invest in foreign markets last year?
(1) last year 12 of the 30 businesses reported a net profit and had investments in foreign markets.
(2) last year 24 of the 30 businesses reported a net profit or invested in foreign markets, or both.
Ans : b
If the average (arithmetic mean) of the assessed values
of x houses is $212,000 and the average of the assessed
values of y other houses is $194,000, what is the average
of the assessed values of the x+y houses?
(1) x+y=36
(2) x=2y
Ans C I still think its b .
Please solve .Thanks in advance
