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Frequently Asked exam Numerical Ability - Averages Math Questions and Answer

(#M40033301) EXAM QUESTION quanta Keep an EYE

The average age of a class of 60 students is 12 years. If the number of girls is increased by 3/4th and the number of boys is decreased by half, the total number of students does not change; nor does the average age of either the boys or the girls change. But the combined average age changes to 13.5 years. The average age of the boys is
Option
(a) 8 years
(b) 10 years
(c) 12 years
(d) Cannot be determined

Asked In Exam AVIJIT (11 years ago)

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(#M40157007) EXAM QUESTION temperature Keep an EYE

the average temperature 1st,2nd,3rd december is 24 degrees the average of 1st 2 days is 24 degrees then the temperature on 3rd of december is

Asked In Exam krishnakanth (9 years ago)

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(#M40166918) EXAM QUESTION Average Keep an EYE

After three tests, Susan's average score in Math was 92. She scored 99 in the fourth test. What should she score in the fifth (final) test to have a 95 average for the year?

Asked In Exam Julie Affer (5 years ago)

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(#M40050035) EXAM QUESTION Keep an EYE

the numerator of a certain fraction is 2 more than the denomenator. if 1/3 is added to the fracgion, the result is 2. find the fraction

Asked In exam (10 years ago)

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(#M40049390) EXAM QUESTION Keep an EYE

Does anyone know how to:

Find the inverse of the function,f(x)=√(7&x ) (seventh root of x).

Thanks

Asked In exam (10 years ago)

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(#M40040958) EXAM QUESTION areas Keep an EYE

Within a rectangular garden10m wide and 20 m long, we wish to pave a walk around the boarders of uniform width so as to leave an area of 96 m^2 for flowers. How wide should the walk be?

Asked In Exam tirupathi reddy (11 years ago)

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(#M40033606) EXAM QUESTION Percentage Keep an EYE

Vaibhav got a monthly increment of 12 percent of Pushpa's monthly salary. Pushpa's monthly salary is 7800. Vaibhav's monthly salary before increment was 6500. What amount will he earn in five months after his increment?

Asked In Exam suganthi (11 years ago)

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(#M40033510) EXAM QUESTION Infosys Keep an EYE

what is the 10th term in the series
3,6,7,12,13,18,19,24,?,?
a)31
b)32
c)33
d)34

Asked In Exam Mithilesh yadav (11 years ago)

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