Quantitative Aptitude Test 55

Quantitative Aptitude

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1. 12 men and 18 boys working 7 1/2 hours a day can do a work in 60 days. If I man works equal to 2 boys, then the number of boys required to help 21 men to do twice the work in 50 days, working 9 hours a day will be :

 
 
 
 

2. The average of, two numbers is 8 and the average of another 4 numbers is 5. The average of all the six numbers is :

 
 
 
 

3. Rs. 730 were divided among A, B, C in such a way that if A gets Rs. 3, then B gets Rs, 4 and if B gets Rs. 3.50 then C gets Rs. 3. The share of B exceeds that of C by :

 
 
 
 

4. The average age of an adult class is 40 years. Twelve new students with, an average age of 32 yrs join the class, thereby decreasing the average age of the class by 4 years. The original strength of the class was

 
 
 
 

5. What is the greatest number of three digits which when divided by 6, 9 & 12 leaves a remainder of 3 in each case

 
 
 
 

6. The price of vegetable has increased by 25%. The percentage of reduction that a family should incur in eating of vegetables so as not to increase the expenditure on this account is :

 
 
 
 

7. A man sold two cars for Rs. 5,75,298 each. On one he gained 16% while on the other he lost 16%. How much percent did he gain or lose in the whole transaction ?

 
 
 
 

8. A, B, C together can complete a piece of work in 20 days. After working with B & C for 8 days, A leaves and then B & C complete the remaining working in 20 days more. In how many days A alone can complete the work ?

 
 
 
 

9. Traffic lights at three different road crossings change after every, 48 sec., 72 sec. and 108 sec. respectively. If they all change simultaneously at 8:20:00 hrs, then they wi11 again change simultaneously at :

 
 
 
 

10. If the difference between selling a toy at a profit of 10% and 15% is Rs. 10, then what is CP of the toy ?

 
 
 
 
 

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