Question
In the following number sequence, how many such 8s are
there, each of which is exactly divisible by its immediate preceding number but not divisible by its immediately succeeding number? 2 8 7 5 3 4 8 6 2 8 4 5 8 4 3 2 8 9Solution
2Â 8 Â 7 5 3 4Â 8 Â 6 2 8 4 5 8 4 3 2Â 8 Â 9
More Number operation Questions
If 2x + y = 15 and xy = 18, then the value of (4x² - y²)
- If (x – 12) 3  + (x – 5) 3  + (x – 7) 3  = 3(x – 12)(x – 5)(x – 7) then find the value of (x 2 �...
If 125x3Â - 64y3Â = (Ax + By) (Dy2Â - Cx2Â + 20xy) , then the value of A + C - 2B + 3D is:
Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1st Part at 4% per annum for 3 years, Simple Interest on 2nd
[a/(2a²  + 5a + 2)] = 1/6 , then find the value of (a+1)/a ?
- Find the value of the expression {(4096) n /4  × 8 3n + 1 }/{(512) n  × 8 n – 1 }.
Find the number in place of ?
6, 14, 26, ?, 106, 214
If 5x - 13xy + 6y = 0, find x : y.
- If (510 – 486 + 240) ÷ 8 + √2500 = x, then {(x/2) + 18} = ?
(288 ÷ 8)² × (144 ÷ 24)³ = 24 × ? × (51840 ÷ 20)
Relevant for Exams:
