Quantitative Aptitude - Arithmetic Ability Questions

If the selling price of an item is Rs 1000 after getting a discount of 20%, then what was the marked price (in Rs)?

If a2b+c=b2C+a=a2a+b=1 then 11+a+11+b+11+c is

The value of cosec260 + sec260 cot260 + tan230 will be

Two trains are moving in the opposite direction at speed of 30 km/hr and 45 km/hr respectively, whose lengths are 450 m and 550 m respectively. What is the time taken (in seconds) by slower train to cross the faster train?

If the rice is sold at Rs 56 per kg, there would be a 40% loss. To earn a profit of 20% what should be the price of rice (per kg)?

The volume of a spherical balloon is increased by 700%. What is the percentage increase in its surface area?

If the expression px3 – qx2 – 7x – 6 is completely divisible by x2 – x – 6, then what is the value of p and q respectively?

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?