What will come in place of the question mark (?) in each of the following number series.
23 15 22 58 224 ?
Study the following table carefully to answer the given questions.
In the year 2013 out of the total number of books sold in the fiction category of the books sold were written by Indian authors. Number of books written by the foreign authors in the fiction category forms, what percent of the total number of books sold (non–fiction and fiction category together) in the year 2013 ?
In the years 2010 and 2011 together, the average number of books bought by each buyer through offline mode was 5. If th of the number of buyers buying books through offline mode, during the years 2010 and 2011 together were of the age group more than or equal to 30 years, then how many buyers were less than 30 years of age ?
What is the respective ratio of the total number of books sold through Online Mode in the years 2010 and 2011 together and the total number of books sold through offline mode in the same years together ?
What is the approximate percentage decrease in the number of books sold through offline mode in the year 2014 from the year 2010 ?
What is the difference between the number of fiction books sold in years 2012 and 2013 together and the number of non– fiction books sold in the years 2011 and 2012 together ?
Study the following information carefully to answer the questions given there after.
There is a cluster of 3 villages neighbouring City ’XYZ’ – village A, village B and village C. The respective ratio between the population of village A, village B and village C is 4 : 3 : 5.
Out of the total population of village A, of the total villagers have qualified only upto class X, of the total villagers have qualified only upto XII and the remaining 3000 villagers have qualified only upto Graduation.
Out of the total population of village B of the total villagers have qualified only upto class X, of the total villagers have qualified only upto class XII and the remaining villagers have qualified only upto Graduation.
Out of the total population of village C, of the total villagers have qualified only upto class X, of the total villagers have qualified only upto class XII and the remaining villagers have qualified only upto Graduation.
In village C, out of the total number of villagers who have qualified only upto Graduation, 28% have applied for Post–Graduation courses and in villlage B, out of the total number of villagers who have qualified only upto Graduation, 22% have applied for Post–Graduation courses. What is the total number of villagers who have applied for Post–Graduation courses from village B and C together ?
In village A, the respective ratio between the total number of male villagers to the total number of female villagers is 11 : 9. If 48% of the villagers who have qualified only upto class X are females, what percent of female population in village A has qualified only upto class X ?
If 600 villagers who have qualified only upto class X from village B and 650 villagers who have qualified only upto class X from village C are not self– employed (including unemployed villagers), what is the respective ratio between the number of self–employed villagers who have qualified only upto class X from village B and the number of self employed villagers who have qualified only upto class X from village C ?
By what percent approximately, the number of villagers in village C who have qualified only upto class XII, more than the total number of villagers in village A and village B together who have qualified only upto class XII ?
What is the average number of villagers across all the villages who have qualified only upto class XII ?
A car covers a distance of 840 km at a certain speed. If the speed of car were 10 kmph more, it would have taken 2 hours less to cover this distance. What is the original speed of car ?
Puneet distributed a sum of money among his wife, two sons and one daughter and kept some money for himself. 20% of the total money that he had, he gave to his wife and kept 22% of it for himself. 60% of the remaining money he distributed among his two sons and gave the remaining to his daughter. If the daughter got Rs. 2,940 more than the money he kept for himself, what was the total money that he distributed among his two sons ?
There are 5 red balls, 4 yellow balls and 3 green balls in a basket. If 3 balls are drawn at random, what is the probability that at least 2 of them are green in colour ?
A jar has mixture of milk and water in the respective ratio of 4 : 3. From this jar 28 litres of mixture (milk and water) was taken out and after that 4 litres of pure water was added. Now the respective ratio of milk and water in the jar is 24 : 19. What is the new quantity of mixture in the jar ? (in litres)
A merchant marks his goods in such a way that the profit on sale of 50 article is equal to the selling price of 25 articles. What is his profit margin ?
A, B and C started a business with their investment in the ratio 1 : 3 : 5. After 4 months, A invested the same amount as before and B as well as C withdrew half of their investments. What is the ratio of their profits at the end of the year ?
The average score of 29 students of a class in a History test is 68 (out of 120). After removing the top 3 scores, the average score drops by 2.5. If the second highest score is less than 85 and the second highest and the third highest scores are not the same, the highest score should be at least what value ? (Consider all scores are integers)
The respective ratio of cost prices of articles A and B is 7 : 9. Article A was sold at a profit of 40% and article B was sold at a profit of 10%. If the total profit earned after selling both the articles (A and B) is Rs. 148, what is the difference between cost price of articles A and B?
Two years hence, the respective ratio between A’s age at that time and B’s age at that time will be 6 : 5. A’s age thirteen years ago was half of B’s present age. What is A’s present age? (in years)
A tank (of capacity 160 litre) has one inlet, A and one outlet, B. Inlet A, alone can fill the empty tank in 6 hours and outlet B alone can empty the full tank in 24 hours. In how many hours will inlet A fill 16 litre water in the tank when outlet B is also open?
The respective ratio between length and breadth of a rectangle is 8 : 5 and its perimeter is 208 cm. If the side of the square is 40% less than the breadth of the rectangle, what is the perimeter of the square? (in cm)
18 men can complete a piece of work in 24 days and 12 women can complete the same piece of work in 32 days. 18 men start working and after a few days, 4 men leave the job and 8 women join. If the remaining work is completed in days after how many days did the four men leave ?
Ranu’s monthly salary is th of Ali’s monthly salary. Ranu and Ali save th and th amount from their respective monthly salaries. If the difference between the amount saved by Ranu and that saved by Ali is Rs. 7000, what is Ranu’s monthly salary?
The present age of Sneha is of Lara’s present age and the respective ratio between the Lara’s age four year ago and the Sneha’s age after four years is 7 : 2. What will be the Rupali’s age after two years, if Rupali’s present age is twice Sneha’s present age ? (in years)
What will come in place of question mark (?) in the given questions?
(154 × 2.5 ÷ 0.5) ÷ ? = 192.5