If 30 % of 1520 + 40 % of 800 = x % of 5000, find the value of x.
2. 15.52 %
If 40% of an amount is 250, what will be 60% of that amount?
3. 375
A: B: C is in the ratio of 3: 2: 5. How much money will C get out of Rs 1260?
4) None of these
A: B is 1: 2; B: C is 3: 2 and C: D is 1:3. Find A: B: C: D.
1. 3: 6: 4: 12
If January 1, 1996, was Monday, what day of the week was January 1, 1997?
2. Wednesday
A mother is twice as old as her son. If 20 years ago, the age of the mother was 10 times the age of the son, what is the present age of the mother?
4. 45 years
Four years ago a man was 6 times as old as his son. After 16 years he will be twice as old as his son. What is the present age of man and his son?
1. 34, 9
The ratio of the ages of Minu and Meera is 4:2. If the sum of their ages is 6 years, find the ratio of their ages after 8 years.
2. 6:5
Ten years ago, the sum of ages of a father and his son was 34 years. If the ratio of present ages of the father and son is 7:2, find the present age of the son.
1. 12 years
The number of employees is reduced in the ratio 3: 2 and the salary of each employee are increased in the ratio 4: 5. By doing so, the company saves Rs. 12000. What was the initial expenditure on the salary?
4. 72000
On lending a certain sum of money on C.I. one gets Rs.9050 in 2 years and Rs.9500 in 3 years. What is the rate of interest?
1. 5 %
What is the amount for a sum of money Rs.7500 at 6% rate of interest C.I. for 2 years?
1. 8427
What is the compound interest on Rs. 2500 for 2 years at rate of interest 4% per annum?
2. 204
On a certain sum of money the compound interest Rs. 318 is earned in 2 years. If the rate of interest is 12%, what is the principal amount?
1. Rs. 1250
In how many years the compound interest on Rs. 10000 at the rate of 10% will be Rs. 2100 ?
2. 2 years
Worker A completes a task in 8 days, and worker B completes the same task in 10 days. If both A and B work together, in how many days they will complete the task?
2. 40/9 Days
Vikas and Mohan working together can complete a work in 6 days. If Vikas alone completes the same work in 10 days, in how many days Mohan alone can complete the same work?
3. 15 days
A rectangular grass field has a length of 85 meters and breadth of 65 meters. It is surrounded by a 5-meter wide path. Find the area of the Path and the cost of constructing it at Rs. 5 per square meter?
3. 8000
A blanket, when bleached, decreases in length by 20% and in breadth by 15%. What is the percentage decrease in its area?
1. 32 %
A train moving at 50 km/hr crosses a bridge in 45 seconds. The length of train is 150 meters. Find the length of the bridge.
3. 575
A man travels first 150 km of his journey at 80 km/hr. Due to bad weather he travels the next 150 km of his journey at 60 km/hr. What is his average speed for the first 300 km of his journey?
4. 68.6 km/hr
The circumference of a jogging track is 735 m. Peter and Tom start walking from the same point at the same time in opposite direction. If they are walking at 6 km/hr and 8 km/hr respectively, after how much time they will meet?
3. 3.15 minutes
A man can swim at 10 km/hr in still water. It takes him twice as much time to reach the destination when he swims up the river as it takes when he swims down the river. At what speed the river is flowing?
1. 10/3 km/hr
4 cubes each of 6 cm2 total surface area and another cube of 24 cm2 total surface area are placed together in such a way to form a rectangular parallelepiped. The total surface area of the parallelepiped so formed is
1. 48 cm2
A water tank is 30 m long, 20 m wide and 12 m deep. It is made of iron sheet which is 3 m wide. The tank is open at the top. If the cost of iron sheet is Rs. 10 per meter, what is the total cost of iron sheet required to build the tank?
1. Rs. 6000