Aptitude - Aptitude- Ratio - Hindi Practice Questions Bank- MCQs

In a certain township;1/5 of the housing units are equipped with cable television, 1/10 of the housing units are equipped with video cassette recorders, and 1/3 of those having cable television have video cassette recorders. what fraction of the housing units have neither cable television nor video cassette recorder?

a
7/10
b
23/30
c
11/15
d
1/6

आपका जवाब गलत है

cable T.V. =1/5; VCR=1/10\n having both =1/3 of cable T.V.=1/15\n Having either cable T.V. or VCR \n=AEB=B-A-ACB\n=1/10+1/5+1/15\n=(3+6-2)/30=7/30\nhaving neither= 1-7/30=23/30

A certain basketball team that has played 2/3 of its games has a record of 17 wins and 3 losses. what is the greatest number of the remaining games that the team can lose and win at least 3/4 of total games played?

आपका जवाब गलत है

17 wins 3 losses =20 games \ntotal games =(3/2)*20=30 games \nat least 3/4 wins =at least 23 wins\nmax... losses=7\nalready lost =3\n...........\nmax...permissibly=4\n....

A dealer sold 2 watches for Rs. 500 each. on one watch he made a profit of 10% o it is purchase price and on the other he incurred a loss of 10% on its purchase price. The overall gain (+) or loss (-) in the two transactions as percentage of total purchase price is nearest to

a
(+) 1%
b
(_)10%
c
0%
d
(-)1%

आपका जवाब गलत है

loss percentage=x^2/100=10^2/100=1%

Welcome, Guest

Aptitude - Aptitude- Ratio

हिंदी मैं करंट अफेयर्स के लिए कमेंट करे