Question
If all the digits of the number 789615432 are arranged
in decreasing order, then sum of 5 th and 6 th digits (from the left end) of the number thus formed, is ____.Solution
7 8 9 6 1 5 4 3 2 1 2 3 4 5 6 7 8 9 Required sum = 5 + 6 = 11
If x ,y,z are three integers such that x +y = 8,y +z =13 and z +x =17,then the value of x2 /yz is:
- The ratio of M to N is 4:9, and that of N to O is 3:2. If the difference between O and M is 60, what is the total of M, N, and O?
If {1/(y + 1) + 1/(y + 5)} = {1/(y + 2) + 1/(y + 4)}. Find the value of y
What is the square root of the following?
(x² –12x+36) (x² + 8x + 16)
If 125x3 - 64y3 = (Ax + By) (Dy2 - Cx2 + 20xy) , then the value of A + C - 2B + 3D is:
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 y + 1/y = 2 then find y117 + 1/(y117)
If P3 + 3P2 + 3P = 7, then the value of P2+ 2P is –
...
If (a – 8) 2 + (b + 2) 2 + (c – 3) 2 = 0, then find the value √(a +b + c).
...- If (x 2 = 12x – 36), then find the value of [x³ + (x⁴/36)][6 - x³]
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