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# free Online Test Ratio and Proportion Questions and Answers Quiz 4

Description: Free Online Test questions and answers on Ratio and Proportion with explanation for various competitive exams,entrance test. Solved examples with detailed answer test 4

Exercise

 "Success has many fathers, while failure is an orphan." - (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 :
 2:7 3:5 3:1 5:3
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?
 Rs.1982 Rs.1388 Rs.3470 Data inadequate
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?
 6:7 7:6 7:54 Cannot be determined
4 . The ratio of three numbers is 3 : 4 : 7 and their product is 18144. The numbers are :
 9,12,21 15,20,25 18,24,42 Data inadequate
5 . If a carton containing a dozen mirrors is dropped, which of the following cannot be the ratio of broken mirrors to unbroken mirrors?
 2:1 3:1 3:2 7:5
6 . The third proportional to 0.36 and 0.48 is :
 0.64 1.1728 0.42 0.94
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?
 1:1 2:3 1:2 3:2
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?