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101.

B was born when A was 4 years 7 months old and C was born when B was 3 years 4 months old. When C was 5 years 2 months old,then their average age was1). 8 years 9 months2). 7 years 3 months3). 8 years 7 months4). 8 years 11 months

Answer»

8 YEARS 11 MONTHS is the correct answer.

102.

The average of the first 100 positive integers is1). 1002). 513). 50.54). 49.5

Answer» ANSWER for this QUESTION is OPTION 3
103.

The average of four consecutive even numbers is 9.Find the largest number.1). 122). 63). 84). 10

Answer»

This QUESTION was asked some where in previous year papers of SSC, and correct answer was 12

104.

The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 and 31.Find the correct mean.1). 36.122). 30.663). 29.284). 38.21

Answer»

Its TOUGH but OPTION 3 SEEMS CORRECT

105.

In an examination average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the same class is 87. If the girls and boys are in the ratio 4 : 5, average marks of the whole class (approximately) is closest to1). 85.92). 86.13). 86.44). 86.5

Answer»

is 86.1 is the CORRECT ANSWER am i RIGHT

106.

The average of the largest and smallest 3 digit numbers formed by 0,2 and 4 would be1). 3122). 2133). 2224). 303

Answer» OPTION 1 is the RIGHT ANSWER
107.

The mean value of 20 observations was found to be 75, but later on it was detected that 97 was misread as 79. Find the correct mean .1). 75.72). 75.83). 75.94). 75.6

Answer»

I have READ it SOMEWHERE 75.8 is CORRECT

108.

The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next inning so as to increase his average of runs by 4 1). 762). 703). 44). 2

Answer» 76 is the CORRECT answer as per the SSC answer key
109.

Out of 4 numbers,whose average is 60,the first one is one-fourth of the sum of the last three. The first number is1). 152). 453). 484). 60

Answer» OPTION 3 : 45 is CORRECT
110.

The average of eight successive numbers is 6.5.The average of the smallest and the greatest numbers among them will be :1). 42). 6.53). 7.54). 9

Answer»

it from PREVIOUS year SSC PAPERS, option 2 is the right ANSWER

111.

Eight consecutive numbers are given.If the average of the two numbers that appear in the middle is 6.then the sum of the eight given numbers is1). 542). 643). 364). 48

Answer»

I have READ it SOMEWHERE 48 is CORRECT

112.

The average age of four boys A,B,C and D is 5 years and the average age of A,B,D,E is 6 years.C is 8 years old. The age of E is (in years)1). 122). 133). 144). 15

Answer» OPTION 1 is the RIGHT ANSWER
113.

While finding the average of 10 given numbers, a student, by mistake, wrote 64 in place of a number 46 and got his correct average 50. The correct average of the given numbers is :1). 48.22). 48.33). 49.14). 49.3

Answer»

it from previous YEAR ssc PAPERS, 48.2 is the right ANSWER

114.

A librarian purchased 50 storybooks for his library. But he saw that he could get 14 more books by spending Rs.76 more and the average price per book would be reduced by Rs1.The average price (in Rs.) of each book he bought, was:1). 152). 103). 254). 20

Answer» ANSWER for this QUESTION is OPTION 2
115.

In a 20 over match, the required run rate to win is 7.2. If the run rate is 6 at the end of the 15th over, the required run rate to win the match is1). 1.22). 13.23). 10.84). 12

Answer»

13.2 SEEMS CORRECT.

116.

A cricket player after playing 10 tests scored 100 runs in the 11th test. As a result, the average of his runs is increased by 5. The present average of runs is1). 452). 403). 504). 55

Answer»

This question was asked some where in previous YEAR papers of SSC, and correct ANSWER was 40

117.

The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded, the average of the remaining numbers is :1). 352). 32.53). 37.54). 36

Answer»

is OPTION 3 is the CORRECT ANSWER am i RIGHT

118.

The average of first three numbers is thrice the fourth number.If the average of all the four numbers is 5,then find the fourth number.1). 4.52). 53). 24). 4

Answer»

This question was asked some where in previous year papers of SSC, and CORRECT answer was OPTION 3

119.

A shop of electronic goods is closed on Monday. The average sales per day for remaining six days of a week is Rs.15640 and the average sale on Tuesday to Saturday is Rs.14124.The sales on Sunday is1). Rs.217042). Data inadequate3). Rs.232204). Rs.20188

Answer» DATA INADEQUATE : option 3 is the correct ANSWER
120.

Of the three numbers,the first is 3 times the second and the third is 5 times the first.If the average of the three numbers is 57,the difference between the largest and the smallest number is1). 92). 183). 1264). 135

Answer» OPTION 3 : SEEMS CORRECT
121.

The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31.The mean score of remaining 55% is :1). 45%2). 50%3). 51.4% approx.4). 54.6% approx.

Answer» OPTION 3 is the RIGHT ANSWER
122.

The average salary,per head,of all the workers of an institution is Rs 60.The average salary of 12 officers is Rs 400;the average salary,per head,of the rest is Rs 56.The total number of workers in the institution is1). 10302). 10353). 10204). 1032

Answer»

Its very SIMPLE QUESTION 1032 is the CORRECT ANSWER.

123.

In a class there are 30 boys and their average age is 17 years. On one boy aged 18 years leaving the class and another joining, the average age becomes 16.9 years. The age of new boy is1). 25 years2). 11 years3). 13 years4). 15 years

Answer»

15 YEARS : OPTION 4 is the CORRECT ANSWER

124.

The average of six numbers is 3.95.The average of two of then is 3.4,while the average of the other two is 3.85. The average of the remaining two numbers is1). 4.62). 4.53). 4.84). 4.7

Answer» ANSWER for this QUESTION is 4.6
125.

The average of 10 numbers is 7. if each number is multiplied by 12. then the average of the new set of numbers will be1). 72). 193). 824). 84

Answer»

is 84 is the CORRECT ANSWER am i RIGHT

126.

The average of six numbers is 32. If each of the first three numbers is increased by 2 and each of the remaining three numbers is decreased by 4. then the new average is1). 352). 343). 314). 30

Answer» HELLO, 34 is CORRECT
127.

The average per day income of A,B and C is Rs 450.If the average per day income of A and B be Rs 400 and that of B and C be Rs 430,the per day income of B is1). Rs 3002). Rs 3103). Rs 4154). Rs 425

Answer»

it from previous year SSC PAPERS, RS 310 is the right ANSWER

128.

In a class, the average score of girls in an examination is 73 and that of boys is 71. The average score for the whole class is 71.8. Find the percentage of girls.1). 40%2). 50%3). 55%4). 60%

Answer»

0.4

129.

The average of 15 numbers is 7.If the average of the first 8 numbers be 6.5 and the average of last 8 numbers be 9.5,then the middle number is1). 202). 213). 234). 18

Answer»

I THINK OPTION 3 is the RIGHT ANSWER

130.

The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came in his place whose age differ by 5 years. If the average age of all the boys now in the class becomes 15 years, the age of the younger newcomer is :1). 20 years2). 15 years3). 10 years4). 8 years

Answer» 15 years is the correct ANSWER as per the SSC answer key
131.

The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of the students of the class is increased by 6 months. The average age of newly admitted student is1). 19 years2). 19 years 6 months3). 20 years4). 20 years 6 months

Answer»

This QUESTION was asked some where in PREVIOUS year papers of ssc, and CORRECT ANSWER was option 2

132.

The average of the first nine integral multiples of 3 is1). 212). 123). 154). 18

Answer» 12 : OPTION 3 is the CORRECT ANSWER
133.

The average marks of 100 students were found to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct average corresponding to the correct score.1). 38.72). 393). 39.74). 41

Answer» OPTION 3 is the ANSWER
134.

The average of 100 numbers is 44. The average of these 100 numbers and 4 other new numbers is 50. The average of the four new numbers will be1). 8002). 2003). 1764). 24

Answer» 200 : - is CORRECT HENCE OPTION 2
135.

The average of 6 consecutive natural numbers is K.If the next two natural numbers are also included,how much more than K will the average of these 8 numbers be1). 1.32). 13). 24). 1.8

Answer»

it from PREVIOUS YEAR ssc papers, 1 is the right answer

136.

The average of n numbers $x_{1}$,$x_{2}$,.....$x_{n}$, is $\overline{x}$,then the value of $\sum_i^n (x_{1}-\overline{x})$ is equal to1). n2). 03). $n\overline{x}$4). $\overline{x}$

Answer»

I THINK OPTION 2 is the RIGHT ANSWER

137.

A cricketer whose bowling age is 12.4 runs per wicket, takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets taken by him till the last match1). 642). 723). 804). 85

Answer»

Its very SIMPLE QUESTION 85 is the CORRECT ANSWER.

138.

In a family of 5 members, the average age at present is 33 years. The youngest member is 9 years old. The average age of the family Just before the birth of the youngest member was1). 30 years2). 29 years3). 25 years4). 24 years

Answer» RIGHT ANSWER for this QUESTION is 30 YEARS
139.

There are 50 students in a class. One of them weighing 50kg goes away and a new student Joins. By this the average weight of the class increases by $\frac{1}{2}$ kg. The weight of the new student is:1). 70kg2). 72kg3). 75kg4). 76kg

Answer» OPTION 3 : - 72KG
140.

The average of 30 numbers is 12.The average of the first 20 of them is 11 and that of the next 9 is 10. The last number is1). 602). 453). 404). 50

Answer» ANSWER for this QUESTION is OPTION 4
141.

The average marks obtained by 22 candidates in an examination are 45.The average marks of the first 10 candidates are 55 and those of the last eleven are 40. The number of marks obtained by the eleventh candidate is1). 452). 03). 504). 47.5

Answer»

I have READ it SOMEWHERE 0 is CORRECT

142.

In a Prep school,the average weight of 30 girls in a class among 50 students is 16 kg and that of the remaining students is 15.5 kg. What is the average weight of all the students in the class 1). 15.2 kg.2). 15.8 kg.3). 15.4 kg.4). 15.6 kg.

Answer» RIGHT ANSWER for this QUESTION is OPTION 2
143.

Out of four numbers, the average of the first three is 18 and that of the last three is 16. If the last number is 19,the first is1). 192). 183). 204). 25

Answer» 25
144.

The average of five numbers is 140. If one number is excluded, the average of the remaining four numbers is 130. The excluded number is :1). 1352). 1343). 1804). 150

Answer» RIGHT ANSWER for this QUESTION is 134
145.

Out of 10 teachers of a school, one teacher retires and at his place a new teacher of age 25 years Joins. As a result of it, the average age of the teachers is reduced by 3 years. The age of the retired teacher is1). 60 years2). 58 years3). 56 years4). 55 years

Answer» CORRECT ANSWER is: 55 YEARS
146.

A company produces an average of 4000 items per month for the first 3 months.How much Items,it must produce on an average per month over the next 9 months to average 4375 items per month over the whole year1). 45002). 46003). 46804). 4710

Answer» OPTION 1 is the RIGHT ANSWER
147.

In the afternoon, a student read 100 pages at the rate of 60 pages per hour. In the evening when she was tired,she read 100 more pages at the rate of,40 pages per hour. What was her average rate of reading,in pages per hour 1). 602). 703). 484). 50

Answer» OPTION 3 is the RIGHT ANSWER
148.

The average of nine consecutive numbers is n.If the next two numbers are also Included the new average will1). increase by 22). remain the same3). increase by 1.54). increase by 1

Answer» OPTION 4 : SEEMS CORRECT
149.

Of three numbers,the first is 4 times the second and 3 times the third.If the average of all the three numbers is 95, what is the third number 1). 762). 603). 1304). 57

Answer» CORRECT ANSWER is: OPTION 2
150.

In a team of 10 persons, nine persons spent Rs.40 each for their meal and the remaining one spent Rs.9 more than the average expenditure of all the 10 persons. The total expenditure for their meal was1). Rs.5102). Rs.3103). Rs.4104). Rs.610

Answer» CORRECT ANSWER is: Rs.310