If [a + (1/a)]2 – 2[a – (1/a)] = 12, then which of the following is a value of 'a'?
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What is the value of cosecA/√(cosec2A - 1)?
A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?
A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?
If 40 is 0.05% of x, then what is the value of x?
In the following question, select the odd word from the given alternatives.
If tan 450=cot∅, then the value of ∅, in radians is
Which of the following ratios can be the ratio of the sides of a right angled triangle?
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