Quantitative Aptitude Practice Set : 8 for ibps exam

1. When 40 % of a number is added to 42 the result is the number itself. The number is...........
A. 82
B. 105
C. 70
D. 72
E. None


2. Two numbers are respectively 25 % and 40 % less than a third number .what percent is the second of the first?
A. 80%
B. 75 %
C. 60%
D. 40%
E. None


3. When 60 is substracted from 60 % of a number,the result is 60.find 60 times of 60 % of the same number
A. 200
B. 7200
C. 1200
D. 3600
E. None


4. If 10 % of X is the same as 20 % of Y,then X:Yis equal to ........
A. 10:6
B. 2:1
C. 1:2
D. 5:1
E. None


5. If 0.5 of ‘a’equals 0.06 of ‘b’, then a:b is equal to........
A. 1:15
B. 7:15
C. 7:60
D. 7:25
E. 3:25


6. If A:B=2:5 and B:C=5:6 then find A: C .......
A. 2/5
B. ¼
C. 1/3
D. ½
E. None


7. In what ratio must 25% alcohol be mixed with 60 % alcohol to get a mixture of 40%alcohol strength ?
A. 4:3
B. 3:1
C. 2:3
D. 4:1
E. None


8. Gold is 19 times as heavy as water and copper 9 times as heavy as water . The ratio in which these two metals be mixed so that the mixture is 15 times as heavy as water , is : ?
A. 1:2
B. 2:3
C. 3:2
D. 19:135
E. None


9. In what ratio should rice at Rs. 11 a kg.and 14 a kg ,be mixed ,so that the mixture maybe worth Rs.12 akg.
A. 2:1
B. 1:3
C. 2:3
D. 3:1
E. None


10. Thakur’s age after 15 years will be 5 times his age 5 years back.what is the present age of Thakur?
A. 10
B. 12
C. 15
D. 20
E. None