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(-22)+21+(-22)+21+. . 20 terms is equal ...

`(-22)+21+(-22)+21+. . 20` terms is equal ...........

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21xx22xx23

If P = 21(21^2-1^2)(21^2-2^2)(21^2-3^2)...............(21^2-10^2),t h e nP is divisible by a. 22 ! b. 21 ! c. 19 ! d. 20!

If P = 21(21^2-1^2)(21^2-2^2)(21^2-3^2)...............(21^2-10^2),t h e nP is divisible by a. 22 ! b. 21 ! c. 19 ! d. 20!

If P = 21(21^2-1^2)(21^2-2^2)(21^2-3^2)...............(21^2-10^2),t h e nP is divisible by a. 22 ! b. 21 ! c. 19 ! d. 20!

If P = 21(21^2-1^2)(21^2-2^2)(21^2-3^2)...............(21^2-10^2),t h e nP is divisible by a. 22 ! b. 21 ! c. 19 ! d. 20!

Solve: 1/(22) + (21)/(22)

Solve : (d) 1/22 + 21/22

Which term of the sequence 24 ,\ 23 1/4,\ 22 1/2,\ 21 3/4 is the first negative term?

Which term of the sequence 24, 23 1/4, 22 1/2, 21 3/4, ….. is the first negative term ?

The mode of the data 20, 23, 22, 23, 22, 20, x, 21 is 22. Find the value of x.