Question
What will be the next number in the series? 2, 7,
23, 70, ?Solution
2 x 3 + 1 = 7 7 x 3 + 2 = 23 23 x 3 + 1 = 70 70 x 3 + 2 = 212
x = 7 - 4√3 then the value of x³+1/x³ is equal to?
(a – 2) 2 + (b + 6) 2 + (c – 1) 2 = 0, then find the value of a + b – c.
If x = 15
find x 5 - 16 x 4 + 16 x 3 - 16 x 2 + 16 x - 16 = ?
If n = 6 + √13, then find the value of (n + 1/n)².
What will come in place of the question mark (?) in the following series?
23, 46, ?, 184, 368, 736
If (a - b - c) = 6, and (ab - bc + ca) = 117, then find the value of (a 2 + b 2 + c 2 )
Four persons ‘A’, ‘B’, ‘C’, and ‘D’ have different amounts with them. ‘D’ has twice the amount than that of ‘A’. The amount ‘B...
The area of △ ABC is 44 cm2 . If D is the midpoint of BC and E is the midpoint of AB, then the area of △ BDE is
(x – 6) 2 + (y + 2) 2 + (z – 4) 2 = 0, then find the value of 4x - 3y + z.
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