A candidate has to secure 40% of the total marks to pass. He gets 190 marks and fails by 190 marks. Find the total marks.

if 15% of (A+B) = 25% of (A-B), then what percent of B is equal to A?

A dishonest dealer sells as a weight of 800 gm in place of 1 kg and adds 20% impurities in sugar. What would be his profit %? If he claims to be selling at cost price?

30% of the students in a class wear glasses, 10% of the students who wear glasses, wore gold rimmed glasses. If the class has 200 students, how many wear gold rimmed glasses?

A and B are two alloys of argentum and brass prepared by mixing metals in proportions 7 : 2 and 7 : 11 respectively. If equal quantities of the two alloys are melted to form a third alloy C, the proportion of argentum and brass in C will be ?

A shopkeeper has a number of apples and oranges in the ratio 11 : 17. He has to pack both the fruits in a certain number of boxes such that each box contains equal number of apples and equal number of oranges. If the difference between the numbers of fruits of two varieties in a box is 72, and the number of boxes is 16, what is the total number of fruits?

Red, blue and yellow marbles in a bag have a ratio of 5 : 2 : 6. After removing the red marbles, there are 32 marbles left in the bag. How many red marbles were in the bag?

The ratio of the total amount distributed in all the males and females as salary is 6: 5. The ratio of the salary of each male and female is 2: 3. Find the ratio of the no. of males and females.

Pervez, Sunny, and Ashu Bhati alone can complete a piece of work in 30, 50, and 40 days. The ratio of their salaries of each day is 4: 3: 2 respectively. The total income of Parvez is Rs 144. Find the total income of Sunny.

The price of silver-biscuit is directly proportional to the square of its weight. A person broke down the silver-biscuit in the ratio of 3: 2: 1, and faces a loss of Rs 4620. Find the initial price of silver-biscuit.

B is inversely proportional to the cube of A. If B=3, A=2. If B = 8/9. Find the value of A.

Ravi can do a job in 10 days. Raman can do the same job in 20 days. They together start doing the job but after 4 days Raman leaves. How many more days will be required by Ravi to complete this job alone?

A builder appoints three construction workers Akash, Sunil and Rakesh on one of his sites. They take 20, 30 and 60 days respectively to do a piece of work. How many days will it take Akash to complete the entire work if he is assisted by Sunil and Rakesh every third day?

Time taken by A to finish a piece of work is twice the time taken B and thrice the time taken by C. If all three of them work together, it takes them 2 days to complete the entire work. How much work was done by B alone?

Sonal and Preeti started working on a project and they can complete the project in 30 days. Sonal worked for 16 days and Preeti completed the remaining work in 44 days. How many days would Preeti have taken to complete the entire project all by herself?

Two pipes A and B can fill a tank in 36 minutes and 45 minutes respectively. A water pipe C can empty the tank in 30 minutes. First A and B are opened. After 7 minutes, C is also opened. In how much time is the tank full?