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1.

A bus travels $\frac{2}{5}$ of a total journey at its usual speed. The remaining distance was covered by bus at $\frac{6}{7}$ of its usual speed. Due to slow speed it reaches its destination 50 minutes late. If the total distance is 200 kms, then what is the usual speed (in km/hr) of bus?1). 20.572). 243). 284). 26.52

Answer»

I have READ it SOMEWHERE 24 is CORRECT
Discussion
2.

What is the simplified value of $\left[\frac{(tan ^{2}\theta - sin^{2} \theta)}{tan^{2} \theta sin^{2} \theta}\right]$?1). -12). 03). 14). 2

Answer» 0 : - is CORRECT HENCE OPTION 3
Discussion
3.

If $sec (3x - 20^{0})$ = $cosec (3y + 20^{0})$, then what is the value of tan (x + y)?1). 12). $\sqrt{3}$3). $\frac{1}{\sqrt{3}}$4). $\frac{2}{\sqrt{3}}$

Answer» OPTION 3 : - $\SQRT{3}$
Discussion