The Human Development Index (HDI) was developed by Pakistani economist Mahbub ul Haq and is published annually by the United Nations Development Programme (UNDP). The HDI is a statistical tool used to measure a country’s overall achievement in its social and economic dimensions, reflecting the health, education, and income of people.
Two numbers are in the ratio 5 ∶ 9. If each number is decreased by 8, the ratio becomes 1 ∶ 3. The numbers are:
Average run per wicket of a bowler is 11.5. In his next innings bowler took 5 wickets and conceded 40 runs, thereby he reduced his bowling average by 0....
The ratio of speeds of A and B is 3:4 and B takes 12 minutes less than A to reach the destination, how many hours will it take to reach the same place?
Ratio of males to females in village ‘A’ and village ‘B’ is 2:5 and 9:10, respectively and number of females in village ‘B’ is 25% more than...
A certain amount of money is to be divided among Ramu, Raj and Aman in the ratio of 1: 3: 9 respectively. If the amount received by Aman is Rs 360 more ...
P, Q and R together started a business. Five times the investment of P equals six times the investment of Q and the capital of Q is twice that of R. Fin...
A bag contains coins of Rs 1, 50p, and 25p and the ratio of the number of coins is 6:15:16. If the total value of all the coins is Rs 1050 then what wi...
P, Q and R together started a business. Seven times the investment of P equals eight times the investment of Q and the capital of Q is twice that of R. ...
If A:B = 3:4 and B:C = 5:7, then find the value of A:B:C.
A seller sold three types of fruits i.e. apples, bananas, and oranges. The number of apples sold is 30% of the total number of fruits sold, and the rati...