If one number is 50 percent less than X and the other numbers are 20 percent less than X. What is the ratio of both the numbers?

Direction: The given Bar Graph Presents the number of different types of vehicles (in lakhs) exported by a company during 2014 and 2015.

Which type of vehicle showed a 32% increase in export in 2015 as compared to that in the previous year? 

Direction: Study the following table carefully to answer these questions.

What is the average number of students appeared from school B for all the years ?

A cloth merchant on selling 33 metres of cloth obtains a profit equal to the selling price of 11 metres of cloth , the profit is 

A speaks the truth 5 out of 7 times and B speaks truth 8 out of 9 times. What is the probability that they contradict each other in stating the same fact?

If $$ {0.7\over 1-6c}=-0.2$$ then what is the value of c.

When a mobile is sold at 6 percent profit, it gets Rs. 870 more than it is sold at 6 percent loss. So what is the purchase price of mobile?

In a two - digit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at units and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is: