In a row of 54 persons, A is 15th from the left side of the row and B is 20th from the right side of the row. Find the no. of persons sitting between A and B?

Chapters. Probability

. A card is drawn at random from a well-shuffled pack of 52 cards. What is the probability of getting a two of hearts or a two diamonds?

Chapters. Compound Interest

What is the compound interest accrued on a sum of Rs 1800 at the rate of 4 p.c.p.a. in 2 years?

Chapters. Boats and Stream

A boat covers 18 km downstream in 3 hours. If the speed of the current is 1/3 of its downstream speed. In what time will it cover a distance of 100 km upstream?

Chapters. Pipes and cisterns

A pipe can fill a cistern in 6 hrs. Due to a leak in its bottom, it is filled in 7 hrs. When the cistern is full, in how much time will it be emptied by the leak?

Chapters. Profit and Loss

The ratio of cost price to the selling price of an article is 5 : 6. If 20% discount is offered on marked price of the article then marked price is what percent more than cost price?

Chapters. Time and Work

A certain job was assigned to a group of men to do it in 20 days. But 12 men did not turn up for the job and the remaining men did the job in 32 days. The original number of men in the group was:

Chapters. Profit and Loss

The cost of 14 kgs of rice is 672, the cost of 12 kgs of wheat is 432 and the cost of 18 kgs of sugar is 504. What is the total cost of 20 kgs of rice, 15 kgs of wheat and 16 kgs of sugar?

Chapters. Simple Interest

A sum was put at simple interest at a certain rate for 3 years. Had it been put at 1% higher rate, it would have fetched Rs. 5100 more. The sum is:

Chapters. Partnership

A started a business with an investment of Rs 16000. After 2 months B also became his partner and invested 5/8th of the amount invested by A. Again after 2 more months C entered into the partnership with Rs 8000. After 10 months they had a profit of Rs 6336. Find the share of B in the profit

Chapters. Direction and Distance

Prakash walked 30 metres towards West, took a left turn and walked 20 metres. He again took a left turn and walked 30 metres. He then took a right turn and stopped. Towards which direction was he facing when he stopped?

Chapters. Profit and Loss

Rohit sold an item for Rs.7200 and incurred a loss of 25%.At what price ,should he have sold the item to have gained a profit 25% ?

Chapters. Boats and Stream

A person can row with the stream at 8 Km per hour and against the stream at 6 Km an hour. The speed of the current is:

Chapters. Alligation and Mixture

A vessel contains liquid P and Q in the ratio 5 : 3. If 16 litres of the mixture are removed and the same quantity of liquid Q is added, the ratio become 3 : 5. What quantity does the vessel hold?

Chapters. Alphanumeric

How many such pairs of letters are there in the word "RECOVERED" each of which has as many letters between them in the word as in the English alphabet?

Chapters. Alligation and Mixture

In a mixture of 45 litres, the ratio of milk and water is 3 : 2. How much water must be added to make the ratio 9 : 11?

Chapters. Order and Ranking

In a row of children facing North, Rajan is twelfth from the right end and is fifth to the right of Satyarthi who is tenth from the left end. How many total number of children are there in the row?

Chapters. Problems on Ages

A father’s age is three times the sum of the ages of his two children, but 20 years hence his age will be equal to the sum of their ages. Then, the father’s age is:

Chapters. Sequence

If in the arrangement 238096417534, the first number is interchanged with the third number, the fourth number is interchanged with the sixth similarly seventh number is interchanged with ninth and so on. Which number will be third from the left end after the rearrangement?