An article was sold for Rs.4000. Had a discount of 10% was being offered, the profit would have been 20%. The cost price of the article was:

A person swims a distance of 28 km. in the direction of stream in 5 hours and a distance of 13 km. in 5 hours against the stream. What is the velocity of the stream?

Directions: The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.  

In which census year, the percent increase in population is highest as compared to that in the previous census year? 

In a division sum, the divisor is 3 times the quotient and 6 times the remainder. If the remainder is 2, then the dividend is: 

At the angle the hands of a clock are inclined at 15 minutes past 5?

Find the single equivalent discount for successive discounts of 12%, 18% and 25% on the marked price of a car. 

If  tan²θ +cot²θ  = 2, then what is the value of  2^{secθ cosecθ}?

The average weight of Sudesh, Jyothi and Ritu is 89 kg. If the average weight of Sudesh and Jyothi be 98 kg and that of Jyothi and Ritu be 83 kg, then the weight of Jyothi is