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free Online Test Ratio and Proportion Questions and Answers Quiz 4

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Exercise

"Everyone is wise until he speaks."
- (Proverb)
1 . In the squadron of Indian Air Force the ratio of Sukhoi is to Mig and Jaguar together is 5 : 7 and the ratio of Jaguar is to Sukhoi and Mig together is 1 : 2. Find the ratio of Sukhoi and Mig :
A.  2:7 B.    3:5
C.  3:1 D.    5:3
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2 . Divide Rs.6940 in such a way that A gets $2\over 3$ rd of what B gets and B gets $3\over 5$ th of what C gets? What is the share of A and B together?
A.  Rs.1982 B.    Rs.1388
C.  Rs.3470 D.    Data inadequate
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3 . 6 pumps of kirlosker can fill a tank in 7 days and 2 similar pumps of USHA can fill the same tank in 18 days. What is the ratio of the efficiency of a Kirlosker pump and a USHA pump?
A.  6:7 B.    7:6
C.  7:54 D.    Cannot be determined
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4 . The ratio of three numbers is 3 : 4 : 7 and their product is 18144. The numbers are :
A.  9,12,21 B.    15,20,25
C.  18,24,42 D.    Data inadequate
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5 . If a carton containing a dozen mirrors is dropped, which of the following cannot be the ratio of broken mirrors to unbroken mirrors?
A.  2:1 B.    3:1
C.  3:2 D.    7:5
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6 . The third proportional to 0.36 and 0.48 is :
A.  0.64 B.    1.1728
C.  0.42 D.    0.94
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7 . Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water?
A.  1:1 B.    2:3
C.  1:2 D.    3:2
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8 . In a school, 10% of the boys are same in number as $ 1 \over 4$ th of the girls. What is the ratio of boys to girls in that school?
A.  3:2 B.    5:2
C.  2:1 D.    4:3
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9 . A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper inn C will be :
A.  5:7 B.    5:9
C.  7:5 D.    None
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10 . The ages of Vinay, Varsha, Veera and Vikram are in arithmetic progression, but not in order. The ratio of ages of Vinay and Varsha is 6 : 5 and Veera is to Vikram is 7 : 8. Two years later the age of Varsha and Vikram will be 2 : 3. Find the ratio of ages of Vinay and Veera :
A.  7:6 B.    5:8
C.  6:7 D.    8:9
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