What should be added to 3(x - 2y) to obtain 2(3x + y) - 5(2x + 3)?
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A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
18, 25, 34, 45, ?
If sec2A cosec2A = x, then x is
If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?
In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Formally put an end to a system, practice, or institution
Nurse : Ward :: Teacher : ?
The occurrence and development of events by chance in a happy or beneficial way
The length of the base of an isosceles triangle is 2x2y+4z, and its perimeter is 4x2y+6z. Then the length of each of the equal sides is