.The orthocentre of a triangle is the point where
1). the medians meet
2). the altitudes meet
3). the right bisectors of the sides of
4). the bisectors of the angles
A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds
that will be taken by train to cross a 175 m long bridge is
1). 12.5
2). 20
3). 25
4). 10
A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?
1). 25%
2). 26%
3). 27%
4). 28%
If sec (4x - 50°) = cosec(50° - x), Then the
value of x is
1). 45°
2). 90°
3). 30°
4). 60°
Loss of 20% on selling price is equal to x% loss in cost price. What is x?
1). 20%
2). 20
3). $16\frac{2}{3}$ %
4). 16