Question
Which of the following organisms releases molecular
oxygen into water?Solution
The correct answer is D
11 years ago from now, the ages of ‘Pawan’ and ‘Qureshi’ were in the ratio 7:9, respectively. If 7 years hence from now, ages of ‘Pawan’ and...
The average age of 20 girls is 54 years. If the age of two more girls is added the average decreases by half a year. What is the sum of the age of new g...
12 years back, Abhishek and Bheema had their ages in the ratio of 4:5. Currently, the average of Bheema’s and Chintu’s ages i...
Three individuals – Ria, Tia, and Mia – are discussing their ages. The age of Ria 8 years ago was one-third of Tia’s age 4 years from now. The tot...
Four years ago, the ages of A and B were in the ratio of 6:7. Twelve years from now, their ages will be in the ratio of 10:11. Calculate the average of ...
A train takes 10 seconds more to cross a 250-metre-long platform than it takes to cross a pole. If a car running at the speed of 40 m/s takes 55 seconds...
The current age of 'Aman' is 87.5% greater than 'Bittu's' age. The ratio of Aman's age 3 years hence from now to Bittu's age 6 years hence from now is 8...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
Present ages of 'M' and 'N' are in ratio 2:3, respectively. If six years hence from now, age of 'M' will be 30% less than that of 'N', then find the rat...
- In a family, the mother is 3 years younger than the father and three times as old as the daughter. If their combined age is 84 years, how many years later ...
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