5 number whose average is 76, the first is 3/7 times the sum of other 4. the first number is: 

An article is sold at a loss of 20 %. It yields Rs. 60 more when it is sold at a gain of 20 %. The cost price of the article is 

In a group of students, 70 % can speak English and 65 % can speak Hindi. If 27 % of the students can speak none of the two languages, then what percent of the group can speak both the languages? 

What will come in place of the question mark (?) in each of the following series?

15     18    16   19     17    20    ?

Direction: The line chart given below shows the number of labors (men and women) working in six different years. Study the data carefully and answer the following questions.

Number of Men working in 2017 is 15% more than that of 2015 while number of Women working in 2017 is 40% less than that of 2014. Find total number of labors (Men + Women) working in 2017? 

A party for 50 people was organized at their own expense. 48 of them paid Rs 950 each, while the other two paid Rs 1200 more than the group's average expenditure. The total expenditure incurred was.

If the income of A is 10% more than that of B and the income of B is 20% less than that of C, then the incomes of A, B and C respectively are in the ratio

Directions : What should come in place of the question mark (?) in the following number series? 

55 109 ? 433 865 1729