Sum of 4 A.M between 18 and 3 is _____?
- 15
- 12
- 13
- 42
- None of these
Explanation
Arithmetic mean= (18+3)/2=10.5
formula: sum of n A.M= n*A.M
4A.M=4*10.5
=42
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اس سوال کو وضاحت کے ساتھ پڑھیں
- 3/2
- 3/4
- 1/4
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
