The ratio of present ages of Raman and Lamba is 7 : 5. After 6 years age of Raman will be 48 years. What is the present age (in years) of Lamba?
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The point Q(a,b) is first reflected in y-axis to Q1 and Q1 is reflected in xaxis to (-5,3). The coordinates of point Q are
An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.
If α and β are the roots of the equation x2+ x – 1 = 0, then what is the equation whose roots are α5 and β5?
A watch shows 6 p.m. where the hour hand points east. In which direction is the minute hand facing when the time is 9.15 p.m?
If x = 2 +√3, y = 2 – √3 and z = 1, then what is the value of (x/yz) + (y/xz) + (z/xy) + 2 [(1/x) + (1/y) + (1/z)]?
If x+1x=5, then the value of x1+x+x2 is
A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit percentage?
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