Question
If 2 is subtracted from the second digits of each of the
numbers, how many numbers thus formed will be divisible by three? Following questions are based on the five three digits numbers given below: 589 482 543 394 187Solution
When 2 is subtracted from second digits of each number 569 462 523 374 167 Number divisible by 3 = 462
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)