Q1. The average salary of 90 employees in an organization is Rs.14.500 per month. If the no of executive is twice the no of clerks, then find the average salary of clerk ?
A. 11,500
B. 12,000
C. 13,200
D. Can’t be determined
Answer: Option D
Explanation:
90 => 2:1=> 60:30
Total Salary = 60*salary of executive +30 * salary of clerk
90*14500 = 60*x + 30*y
X, y not given so we can’t determine
Q2. The average value of property of Agil, Mugilan and Anitha is Rs.130cr. The Property of Agil is 20cr greater than the property value of Mugilan and Anitha property value is 50cr greater than the Agil property value. The value of property of Anitha is
A. 120cr
B. 170cr
C. 100cr
D. 150cr
Answer: Option B
Explanation :
Property value of Mugilan x
130*3 = x + x + 20 + x + 20 + 50
390 = 3x + 90
3x = 300
X = 100
Anitha = 100 + 20 + 50 = 170
Q3. The average price of 100 mobiles in an electronic shop is Rs.27,000. If the highest and lowest mobiles are sold out then the remaining 98 mobiles average price is 26,400.The cost of lowest mobile is Rs.18,000.Find the cost of highest mobile price
A. 76500
B. 94800
C. 96400
D. 82000
Answer: Option B
Explanation :
100*27000 – 98*26400 = 27,00,000 – 25,87,200 = 1,12,800
The cost of highest mobile price = 1,12,800 -18,000 = 94800
Q4. There are 10 compartments in passenger train carries on average 15 passengers per compartment. If atleast 15 passengers were sitting in each compartment, no any compartment has equal no of passengers, and any compartment does not exceed the number of average passengers except [latex]{10}^{th}[/latex] compartment. Find how many passengers can be accommodated in [latex]{10}^{th}[/latex] compartment ?
Answer: Option B
Explanation :
No of passengers = 15*10 = 150
15 + 14 + 13 + 12 + 11 + 10 + 9 + 8 + 7 = 99
150 -99 = 51
Q5. In a particular week the average number of people visited the museum is 70. If we exclude the holidays then the average number is increased by 28. Further if we exclude the day which the maximum of 210 visitors visited the museum, then the average become 40.Find the no of holidays in the week
A. None
B. None
C. Three
D. Two
Answer: Option D
Explanation :
Total no of visitors in a week = 70* 7 = 490
X = no of holidays
Exclude hloidays
(7-x)*98 = 490
7-x = 5
X = 2