Question
Which law was studied in the year 1787, in which it was
said that the volume of a gas increases with its absolute temperature and if its absolute temperature decreases, then its volume will decrease?Solution
The correct answer is D
Present age of ‘C’ is 20% more than that of ‘D’. 3 years ago, ‘C’ was 1.4 times as old as ‘D’. Find the present age of ‘D’.
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The present age of a mother is 4 times that of her daughter. After 12 years, the mother’s age will be 1 year more than twice the daughter’s age. Fin...
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The present ages of 'A' and 'B' are in the ratio of 6:7. 20 years ago, A's age was 50% less than B's age at that time. Find the difference between thei...
Three years ago, the ratio of ages of ‘Ravi’ and his sister was 3:4. Three years from now, the ratio of ages of Ravi and his mother will be 2:5. In ...
A is 2 years older than B while C is 3 years younger than B. The ratio of age of A, 6 years hence and age of B, 5 years ago is 5:4. What was age of C, 1...
The average age of a group of 70 students is 14 years. If three students whose ages are 22 years, 20years, ________ years are replaced with th...
