The product of the ages of A and B is 80 years and the ratio of the ages of A to C is 1:3. If after 8 years the ratio of the ages of A to C is 3:5, then what is B’s age after 10 years?

A can complete the work in 12 days and A and B together can complete the work in 6(6/7) days. If the work efficiency of B and C is 2:3, in how many days B and C together can complete the work?

The ratio of the length to breadth of the rectangle is 5:2 and the area of the rectangle is 360 cm². If the perimeter of the rectangle is equal to the perimeter of the square, then what is the area of the square?

A and B started the business with investment of Rs.3200 and Rs.4800 respectively for the periods of x years and (x + 6) years respectively. The total profit is Rs.3600 and A’s share of profit is Rs.900, then find the value of x?

A deposited Rs.15000 in Bank for 2 years which offers compound interest of 10%. After 2 years he received the total amount invested in scheme S which is offer simple interest at x% per annum for 5 years and after 5 years the amount becomes Rs.27225. Find the value of x?

If the ratio of the speed of upstream to boat in still water is 3:4 and the boat travelled in downstream 175 km in 7 hours. What is the speed of the stream?

Car A start from X to Y with the speed of 40 kmph at 10 am and car B start from Y to X at speed of 80 kmph at 12 pm. Car A stops at petrol pump for 30 minutes at 11 am while car B does not stop any place. If the distance between X and Y is 540 km, in what time both the cars meet?

The length of the floor of the rectangle room is 9 cm more than the radius of the circle. The circumference of the circle is 132 cm and the perimeter of the rectangle room is 96 cm. If the cost of flooring is Rs.12 per centimeter, what is the cost of flooring the room?

To pass in an examination, the students are required to get 430 marks out of the aggregate marks. A got 218 and is declared failed by 20%. What is the approximate minimum pass percentage of the examination?

On the republic day, the sweets are equally distributed among 165 students. However, on that day 132 students newly joined the school and then each student got four sweets less. How many sweets are distributed?