In 1949, the Chairman of National Income Committee was P. C. Mahalanobis.
The sum of three numbers is 324. If the ratio of the first to the second is 4:5 and that of second to the third is 7:9 then the second number is?
If x runs are second by Rohit, y runs by Shreyas and z runs by Virat, then x : y = y : z = 4 : 3. If total number of runs scored by Rohit, Shreyas and V...
P, Q and R together started a business. Three times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. F...
Monthly savings of ‘Q’ is 20% more than that of ‘P’ and is 54% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 5730 a...
The raw material cost of an article is 1/3 of its manufacture cost. If the cost of manufacturing is decreased in the ratio of 4 : 3 and the cost of its ...
In an office, the ratio of the number of males to number of females is 9:4. If 2 males joined the class and 8 females left the class, then the ratio of ...
Rs.15400 was divided among A, B and C in the ratio 3:4:4. B kept Rs.1000 for himself, gave Rs.600 to his mother and divided the remaining money among hi...
The ratio of the number of English books to Hindi books in a library shelf is 5:4. If 140 Hindi books are written by Pradeep, which constitutes 20% of t...
The number of students in class IX and class X is 70 and 75, respectively. The ratio of the number of boys to girls in classes IX and X is 9: 5 and 8: 7...
There are some assistants and officers in an office, if 15 assistants leave then there are 3 officers for each assistant. After this again 51 officers g...
