Olivia completed 85% of the Math questions. She still has 6 questions left. How many questions were there in total?

There are 20 questions in a test and you get 75% correct. How many questions do you get right ?

Chelsea has played 4 games so far this season and scored on the average 3 goals per game. The average number of goals in the first 3 games was 2 goals per game. How many goals did Chelsea score in the 4^th game?

The difference between the ages of Latha and her father 7 years ago is 25 years. The difference between their ages after 10 years is

The ratio of the ages of Jaya and Ravi is 2:5. After 8 years, their ages will be in the ratio of 1:2. The difference in their present ages is : ( in years )

The age of Arvind's father is 4 times his age. If 5 years ago, father's age was 7 times the age of his son at the time, what is Arvind's father's present age ?

The sum of the ages of a father and son is 45 years. Five years ago the product of their ages was 4 times the father's age at that time. The present ages of the father and son, respectively are,

A shopkeeper sold some quantity at a loss of 5% and rest at 12% profit, making 8% profit on the whole. Find the ratio between the goods he sold at loss and profit.

The cost of oil is Rs.100 per kilogram. After adulteration with another oil, which costs Rs.50 per kilogram, Ram sells the mixture at Rs.96 per kilogram making a profit of 20%. In what rate does he mix the two kinds of oil?

Two solutions of milk and water are combined in the ratio 2:3 by volume. The resultant solution is a 40% milk solution. Find the milk concentration in the first solution if the concentration of milk in the second is 60%?

The average weight of the students in four sections A, B, C and D is 55 kg. The average weights of the students A, B, C and D are 45 kg, 40 kg, 75 kg and 85kg respectively. If the average weight of the students of section A and D together is 65 kg and that of B and D together 55 kg, then what is the ratio of the number of students in A and C?

From a solution containing milk and water in the ratio 3 : 4, 10 L is removed and replaced by water. If the resultant solution contains milk and water in the ratio 1 : 2 then what was the amount of the original solution ?

In a mixture of 80 L, milk and water are in the ratio 7:3. If 24 L of this mixture is replaced by 16 L if milk, find the final ratio of milk and water.

A woman buys apples at 15 for a rupee and the same number at 20 a rupee. She mixes and sells them at 35 for 2 rupees. What is her gain per cent or loss per cent?

A man bought some oranges at the rate of 3 oranges for one rupee and equal number of oranges at the rate of 2 oranges for one rupee. What is his profit, if he sells 2 oranges for one rupee.

A dishonest merchant professes to sell his goods at cost price, but uses a weight of 900 grams for one kg. weight. What is his profit per cent?

A merchant professes to sell goods at 20% profit but uses weight of 900 grams in place of a kilogram. What is his actual profit per cent?

An amount becomes 4 times in 7 years when invested under SI at a certain rate. In how many years will the amount become 16 times of the original amount at the same rate ?

In how many years will sum of money double itself at 12% per annum?

What is the value of k if 8975k is divisible by 7

A alone can finish a work in 10 days and B alone can do it in 15 days. If they work together and finish, then out of a total wages of Rs.75. A will get :

A can complete a job in 9 days B in 10 days and C in 15 days. B and C start the work and are forced to leave after 2 days. The time taken to complete the remaining work is :

Twelve men can complete a work in 8 days. Three days after they started the work, 3 more men joined them. In how many days will all of them together complete the remaining work ?

Two men undertake to do a piece of work for Rs.400. One alone can do it in 6 days, the other in 8 days. With the help of a boy, they finish it in 3 days. The boy's share is

A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the taps are opened together, the tank will be

A tank can be filled by a pipe in 20 min. and by another pipe in 60 min. Both the pipes are kept open for 10 min. and then the first pipe is shut off. After this, the tank will be completely filled in

If two pipes function together, the cistern will be filled in 6 hrs. One pipe fills the cistern 5 hrs. faster than the other. How many hours it take the second pipe to fill the cistern?

Two pipes P and Q can fill a tank in 6 hrs. and 4 hrs. respectively. If they are opened on alternate hours and if pipe P is opened first, in how many hours, the tank shall be full ?

12 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?

A train 250 metres long, running with a speed of 50 km/hr will pass an electric pole in :

A train 100 metres in length passes a milestone in 10 seconds and another train of the same length travelling in opposite direction in 8 seconds. The speed of the second train is :

Two cyclist A and B cover a certain distance. A reaches to the destination one hour before B. Even if B had given a start of 5 km, he would have reached 10 minutes late. Find the speed of B.

The current of a stream runs at 1km/hr. A motor boat goes 35 km. upstream and back again to the starting point in 12 hours. The speed of motor boat in still water is :

The current of stream runs at the rate of 4 km an hour. A boat goes 6 km and back to the starting point in 2 hours. The speed of the boat in still water is :

Speed of a boat in standing water is 6 km/hr and the speed of the stream is 1.5 km/hr. A man rows to a place at a distance of 22.5 km and comes back to the starting point. The total time taken by him, is :

How many number of 3's would be used to type numbers from 1 to 700