Question
x, y be two acute angles, x + y < 90° and sin(2x -
20°) = cos(2y + 20°), the value of tan(x + y) is 1.   √3 2.   1/√3 3.   1 4.   2+√2Solution
The correct answer is C
How many persons opted both Mathematics and Biology?
Six friends Arunesh, Jitend, Charu, Devansh, Pradeep and Kitu live on different floors of a six-storey building. Charu does not live on the top floor. O...
Which of the following group represents the females in the group?
Six persons F, G, H, I, J and K live in a six storey building but not necessarily in the same order. The bottommost floor is numbered as 1st and the to...
Which of the following group of employees work in IT department?
What is Megha by profession?
Which of the following statement(g) is/are definitely false?
How many boxes are there between Y and X?
Who among the following lives immediate above the vacant flat?
Which of the following statement(s) is false?
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