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Mean of 5 numbers is 18. Four numbers are 16, 18, 14, 22. The 5th number is?

18
19
20
21

Explanation

Mean of 5 numbers = 18

So total sum:

5 \times 18 = 90

Given four numbers:
16, 18, 14, 22

Sum:

5th number:

Last updated question NS on 10 MAY 2026

Related MCQs

Quadratic equation 2x²-kx+5=0 to have equal roots, what should the value of K

±2√(10)
±4 √(10)
±10
±20

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Explanation

Using formula:

$b^2-4ac=0$

Here:

$a = 2$
$b = - k$
$c = 5$

So:

$(- k)^^{2} - 4 (2) (5) = 0$ $k^^{2} - 40 = 0$ $k^^{2} = 40$

$\pm2\sqrt(10)$

$Last updated question NS on 10 MAY 2026$

Mean of 5 numbers is 18. Four numbers are 16, 18, 14, 22. The 5th number is?

18
19
20
21

اس سوال کو وضاحت کے ساتھ پڑھیں

Explanation

Mean of 5 numbers = 18

So total sum:

5 \times 18 = 90

Given four numbers:
16, 18, 14, 22

Sum:

5th number:

Last updated question NS on 10 MAY 2026

Diameter is how many times radius?

1
2
3
None of these

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If base halves and height doubles, area becomes?

Half
Triple
Same
None of these

اس سوال کو وضاحت کے ساتھ پڑھیں

If hypotenuse = 10 and one side = 6, other side equals?

7
8
9
None of these

اس سوال کو وضاحت کے ساتھ پڑھیں

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