2. In the figure given below, line XY intersects line AB and line CD at P and Q
respectively.
a. Write two pairs of corresponding angles.
b. Write two pairs of alternate interior angles.
c. Write two pairs of vertically opposite angles.
SCHO
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T STATISTICS
1. Mean of 21, 30, 22, 16, 24, 28, 18, 17 is.... 60
20
2. Mean of 12 numbers is 20. If each number is multiplied by 6, then the new mean is ..........
3. If arithmetic mean of 30 number is 16. If each number is divided by 4, then the new mean is....
4. Find the arithmetic mean of 25, 32, 36, 38, 45, 41, 35, 36 votos
5. Find the arithmetic mean of 23, 30, 34, 36, 43, 39, 33, 34
6. Find the arithmetic mean of 4, 12, 20, 28, 36, 44
( for class 9 maths)
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