Which of the following technique is used to know the age of a tree in years?
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Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the
The length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively. Find its area (in cm2).
4 years ago, the ratio of Vikah's to Rahul's age was 3:5. After 6 years, this ratio would become 4:5. Find present age of Rahul.
Compute : (50 + 0.5 x 20) / 0.7
Which part of the human reproductive system helps the embryo get its nutrition from the mother's blood?
8 x {5 - (-2) x (-3)} = ?
What are stars primarily made of?