Many freshwater animals cannot live for long in sea water and vice versa because of the _______ problems, they would face.
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In the following question, select the missing number from the given series.21, 26, 33, 42, 53, ?
The ratio of the ages of man and his wife is 4:3. After 4 years, the ration will be 9:7. If at the time of marriage, the ratio was 5:3, how many years agowere they married?
Rayon is obtained from which among thefollowing?
The Ozone layer is present in which atmospheric layer?
Who appoints the members of the State Public Service Commission ?
The number of parliamentary seats (Lok Sabha) of Haryana is
In the following list of devices, which device is used in datalink layer?