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
Related MCQs
- Commutative property w.r.t multiplication
- Associative property w.r.t addition
- Associative property w.r.t multiplication
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Whole number
- Rational number
- Irrational number
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Always irrational
- Always an integer
- Always rational
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Cubic root
- Index
- Radical
- None of these