= 7^2
= 7 x 7
= 49
Last updated: 27 OCT 2026
The mean of five consecutive integers is the middle integer, so the middle number is 68.
The five integers are 66, 67, 68, 69, and 70.
Therefore, the largest integer is 70.
Last verified on 23-10-2026
Given:
A = positive even integer (2,4,6...)
B = positive even integer (2,4,6...)
Check both:
1) (-2A)^B
Base is -2A = negative
Power B = even
Negative ^ Even = Positive
So (-2A)^B = +(2A)^B = Positive number
2) -2A²B
= -2 x A² x B
= Negative number
Positive is always greater than Negative.
So (-2A)^B is greatest.
Last verified on 22-10-2026
Clock strikes:
1 o'clock = 1 strike
2 o'clock = 2 strikes
...
12 o'clock = 12 strikes
Total in 12 hours = 1+2+3+4+5+6+7+8+9+10+11+12
This is sum of first 12 numbers.
Formula = n(n+1)/2
= 12 x 13 / 2
= 156 / 2
= 78
2/5 = 0.4
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