If A + B = 8 and A^2 + B^2 = 34, what is the value of AB?

A school has 300 students. If 60% of the students are boys, how many girls are there in the school?

If a number is added to itself, the sum is 1088. What is the number?

If A is twice as efficient as B, then how long will it take for A and B working together to complete a job which A alone could have completed in 20 days?

If the letters in the word "SPRINTER" are rearranged, how many different words can be formed such that both S and P are at the beginning of the word?

In a group of students, the ratio of the number of boys to the number of girls is 3:2. If the total number of students is 125, how many girls are there in the group?

If the positions of the first and the fifth digits of the number 87236459 are interchanged, and likewise, the positions of the second and the sixth digits are interchanged, and so on, which digit will be third to the right of the sixth digit from the left end?

If 2 is subtracted from each even number, what is the difference between the sum of the first 10 even numbers and the sum of the first 10 odd numbers?

A cylindrical tank of radius 6 cm and height 8 cm is filled with water. If the water is poured into a conical tank of radius 4 cm and height 12 cm, what will be the depth of the water in the conical tank?

A man sold an item for Rs. 3,600 at a loss of 20%. At what price should he sell the same item to earn a profit of 20%?

If a number is added to its square, the result is 182. What is the number?

A boy is looking at his mother. His mother is looking at his father. His father is looking at his sister. If everyone is looking at someone else, how many people are there in the family?

A person travels 8 km to the west, turns right and travels 10 km, then turns left and travels 5 km. In which direction is the person from the starting point?

If a car covers a distance of 20 km at an average speed of 40 km/hour, what should be the average speed for the next 30 km to cover the entire distance of 50 km in 2 hours?

If the letters of the word ‘HUMOUR’ are arranged in alphabetical order, which letter will be in the middle?

If the roots of the equation x² – 3x – k = 0 are in the ratio 3 : 4, what is the value of k?

A train travels a distance of 480 km at an average speed of 80 km/hour. How long will it take to travel the same distance at an average speed of 120 km/hour?

If ‘KODAIKANAL’ is written as ‘IKONLDKAOA’, how is ‘MUNNAR’ written in that code language?

The product of three consecutive odd integers is 19565. What is the sum of these three integers?

If 4x – 5y = 19 and 7x + 5y = 52, what is the value of x + y?

In a certain code language, ‘BLACK’ is written as ‘8, 3, 1, 9, 10’. How is ‘WHITE’ written in that code language?

A and B can do a piece of work in 24 days, while B and C can do the same work in 30 days. A and C can do the work in 40 days. How long will it take for A, B, and C to do the work together?

If 5x + 3y = 28 and 7x – 4y = 10, what is the value of x – y?

In a certain code language, ‘BENCH’ is written as ‘CEODI’. How is ‘TABLE’ written in that code language?

A bus travels 360 km in 9 hours. How long will it take to travel 480 km at the same speed?