During the Maratha period, who was the officer responsible for the village administration?
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Which of the following is NOT correctly matched?
The following equation is incorrect. Which two signs should be interchanged to correct the equation?
14 + 8 ÷ 16 - 9 x 12 = 10
The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle
Let inner radius be r metres. Then, 2πr = 440 ; r = 440×744= 70 m.
Radius of outer circle = (70 + 14) m = 84 m.
If the mean of a, b, c is M and ab + bc + ca = 0, then the mean of a2+b2+c23 is :
We have : ( a + b + c) / 3 = M or (a + b + c) = 3M.
Now. a+b+c2=3M2=9M2 .
<=>a2+b2+c2+2ab+bc+ca=9M2
a2+b2+c2=9M2 ,(ab+bc+ca=0)
Required mean =a2+b2+c23=9M23=3M2 .
In the following question, select the odd letter/letters from the given alternatives.
Find the odd word/letters/number pair from the given alternatives.
(A) KP
(B) MN
(C) HR
(D) GT
If 7Ω6 = 84, 8Ω7 = 112 and 8Ω4 = 64, then find the value of 3Ω4 = ?
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