MathsJEE Main 23 Jan 2026, Shift 1·Q13·MCQ·Easy–moderate

Statistics · Mean and variance

Let the mean and variance of 8 numbers

-10

,

-7

,

-1

,

x

,

y

, 9, 2, 16 be

\dfrac72

and

\dfrac{293}{4}

, respectively. Then the mean of 4 numbers

x

,

y

,

x + y + 1

,

\lvert x - y\rvert

is:

(1)11
(2)9
(3)10
(4)12

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