A and B got Rs. 4,000 each as their share and C. Rs. 2,000. The ratio in which C, B and A distributed the amount is ?

$$\sin^6 A + \cos^6 A$$ - 1 is equal to

By selling an article for Rs.l00. a man gains Rs 30 as profit.Then his gain% is :

Sarthak can fill a sand-pit with sand in 36 days while Vivan takes 90 days to fill it. Ali can take the entire sand of a filled sand-pit out in 60 days. If all three start working when the pit is empty, in how many days will the sand-pit be full again?

Shrenik switched on a bulb at 2:39:40 hours and switched it off on the same day at 12:30:34 hours. For how long was the bulb in switched-on mode?