Question
A bag contains coins of Rs 1, 50p, and 25p and the ratio
of the number of coins is 6:15:16. If the total value of all the coins is Rs 1050 then what will be the total number of 1 Rs coinSolution
                                            1rs         50paise 25paise Coins -                               6/1        15/2      16/4 value -                               6x          7.5x      4x Now- total value of coins = 17.5x = 1050 x = 60 Total number of coins of 1 Rs = 6 ×60 = 360 coins             Â
If 27x3 - 8y3 = (3x - Ay) X (Bx2 + 4y2 + Cxy), then find the value of 3 X (2A + 6B) - 2C.
Solve the inequality:
(x − 1)/(x + 2) > 2.
Which of the following represents the solution set?
(A) x < −5
(B) −5 < x <...
In Δ ABC, ∠ B= 68° and ∠ C 32°. Sides AB and AC are produced to points D and E, respectively. The bisectors of ∠ DBC and ∠...
If x – 1/x = 9, then x3 – 1/x3 is:
If  x = a(b - c), y = b(c – a) and z = c(a - b) , find the value of (x/a)3 + (y/b)3 + (z/c)3?
- If x 4 Â + 1/x 4 Â = 194, x > 0, then find the value of x + 1/x + 2.
If, ( a + b = 14 ) and ( a² + b² = 106 ), then find the value of (a³ + b³).
What will come in place of the question mark (?) in the following series?
23, 46, ?, 184, 368, 736
If x = 19, then the value of x5 - 20x4 + 20x3 - 20x2 + 20x - 1 is
If √k + (1/√k) = 8, then find the value of k + (1/k).