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The average of four numbers is 20. If the average of the first two numbers is 15, then what is the average of the last two numbers? (SSC MTS 2018)
The ratio of the age of a father and his son is 3 : 1. If the product of their ages is 432, then what is the sum of their ages? (SSC MTS 2018)
The present age of a Manoj is twice the sum of the ages of his two children. After 20 years, the age of Manoj will become equal to the sum of the ages of his two children. What is the present age of Manoj? (SSC MTS 2018)
What is the average of first 15 odd numbers among the natural numbers? (SSC MTS 2018)
In a class of 50 students, 40% are girls. The average marks of the whole class are 64.4 and the average of the boys’ marks is 62. What is the average marks of the girls? (SSC CGL2018)
The average marks of 40 students was found to be 68. If the marks of two students were incorrectly entered as 48 and 64 instead of 84 and 46 respectively, then what is the correct average? (SSC CGL2018)
The difference between the average of first ten prime numbers and the first ten prime numbers of two digit is : (SSC CHSL2018)
The average of 18 numbers is 52. The average of the first 8 numbers is 62 and the average of the next 7 numbers is 45. If the 16^{th} number is 6 less than the 17^{th} number and the 17^{th }number is one more than the 18^{th} nmber, then what is the average of the 16^{th} and 18^{th} numbers? (SSC Sub. Ins. 2018 )
In a match, average of runs scored by 5 players is 49. If the runs scored by four players are 75, 30, 62 and 21 respectively, then how many runs did the 5th player had scored? (SSC Sub. Ins. 2017)
What is the average of the squares of the first 19 natural numbers? (SSC Sub. Ins. 2017)
The average age of 30 students is 20 years and average age of 20 other students is 30 years. The average age of total number of students is: (SSC MTS 2017)
The mean of marks secured by 60 students in division A of class X is 64, 40 students of division B is 60 and that of 60 students of division C is 58. Find the mean of marks of the students of three divisions of Class X. (SSC CHSL 2017)
The average runs conceded by a bowler in 5 matches is 45 and 15.75 in other 4 matches. What is the average runs conceded by the bowler in 9 matches? (SSC CGL 2017)
The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the average age (in years) of newly joined members? (SSC CGL 2017)
The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member? (SSC CGL 2017)
The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result? (SSC CGL 2017)
The average monthly income of A and B is ₹15,050, the average monthly income of B and C is ₹15,350 and the average income of A and C is ₹15, 200. The monthly income of A is (SSC Sub. Ins. 2016)
The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18.The correct average of the observations is (SSC CGL 2nd Sit. 2016)
The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85.The average marks of the remaining students is (SSC CGL 2nd Sit. 2016)
Visitors to a show were charged ₹ 15 each on the first day, ₹ 7.50 on the second day, ₹ 2.50 on the third day and total attendance on three days were in the ratio 2:5:13 respectively. The average charge per person for the entire three days is (SSC CGL 2nd Sit. 2016)
159 docs268 tests

159 docs268 tests
