What is the value of Sin 30° - Cosec 45°?
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Select the odd word/letters/number/number pair from the given alternatives.
Which of the following is correct?
What will be the average of the first 5 positive even numbers divisible by 9?
A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?
If 123 x 356 = 43788, then 1.23 x 0.356 = ?
A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?
If a + a2 + a3 – 1 = 0, then what is the value of a3 + (1/a)?