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Frequently Asked ssc Numerical Ability - Averages Questions with Answers

(#M40022140) SSC QUESTION NUMBER SERIES Keep an EYE

The average of 5 consecutive odd numbers A, B, C, D and E respectively in ascending order is 37. What is the product of B and D ?
a) 1365
b) 2035
c) 1935
d) 1585

Asked In SSC MAN (12 years ago)

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(#M40167066) SSC QUESTION Ratio and Poportion Keep an EYE

In a mixture of milk and water ; the ratio milk and water is 3:4 . how much part of the mixture is replaced by water so that the ratio of mixture becomes 1:2 ?

Asked In SSC C.Manohar (4 years ago)

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(#M40151910) SSC QUESTION average Keep an EYE

13) The average age of a class of 35 students is 15 years . If the teacher`s age is also included , the average age increases by 1 year . Futhermore , if the average age of the teacher`s family having a wife and a son`s age is 80 % less than his mother`s age , then age of teacher`s wife is a) 57.5 b) 60 c)65.9

Asked In SSC DEBARSHI DALAI (10 years ago)

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(#M40022032) SSC QUESTION ALGEBRA Keep an EYE

The average marks of 40 students in an English exam are 72. Later it is found that three marks 64, 62 and 84 were wrongly entered as 60, 65 and 73. The average after mistakes were rectified iS

Asked In SSC MAN (12 years ago)

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(#M40026010) SSC QUESTION CGL quant Keep an EYE

The average of 18 observations is recorded as 124. Later it was found that two observations with values 64 and 28 were centered wrongly as 46 and 82. Find the correct average of the 18 observation

Asked In SSC Rats (12 years ago)

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(#M40110046) SSC QUESTION Average Keep an EYE

Average age of A,B and C is 84 years. When D joins them the average age becomes 80 years. A new person,E,whose age is 4 years more than D,replaces A and the average of B,C,D and E becomes 78 years.What is the age of A?
a)80 years b)50 years c)60 years d)70 years

Asked In SSC Meenakshi (10 years ago)

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(#M40110050) SSC QUESTION Keep an EYE

Out of 30 teachers of a school,a teacher of age 60 years retired. In his place another teacher of age 30 years was appointed. As a result,the mean age of the teachers will
a)remain same
b)decrease by 2 years
c)decrease by 6 months
d)decrease by 1 year

Asked In SSC Meenakshi (10 years ago)

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(#M40025861) SSC QUESTION SSC-CGL quant Keep an EYE

The average salary of all the staff in an
office of a corporate house is Rs. 5,000.
The average salary of the officers is Rs.
14,000 and that of the rest is Rs. 4,000. If
the total number of staff is 500, the
number of officers is

Asked In SSC Rats (12 years ago)

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(#M40025746) SSC QUESTION CGL Tier 2 Quant Keep an EYE

A cricketer played 80 innings and scored an average of 99 runs. His score is in the last inning is zero run. To have an average of 100 at the end, his score in the last innings should have been

Asked In SSC Rats (12 years ago)

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(#M40025954) SSC QUESTION SSC-CGL quant Keep an EYE

The average of two numbers A and B is 20, that of B and C is 19 and of C and A it is 21. What is the value of A?

Asked In SSC Rats (12 years ago)

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