Question
Choose the alternative which is closely resembles the
water-image of the given combination.Solution
In case of water image, first and last letter will be remain in the same position as in the original figure. The top and bottom of the figure will be interchanged i.e. top become bottom and bottom become top. In option 1, water image of Z is wrong. In option 2, water image of D is wrong. In option 4, water image of 7 is wrong.
If x² + x = 11
find (x+4)³ +1/((x+4)³)
- 12% of 25% of ‘A’ is equal to 40% of 15% of ‘B’. Find the value of (A + B):(A – B).
If for non-zero x, x² - 4x - 1 = 0, what is the value of x² + 1/x²?
If 112 ÷28 x 22 –12 x 6 ÷ 3 +12 = z, then find the value of z.
- If 2x + 4y - 9 = 0, then find the value of 8x 3 Â - 723 + 64y 3 Â + 216xy.
3x +3y =10 and 3x+y =5 then find the value of 3x-y +3y-x.
A dishonest dealer claims to sell goods at cost price but uses a false weight of 900g instead of 1kg. What is his profit percentage?
  = ?If (a2 + 1/a2) = 51, then find the value of (a3 - 1/a3).
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