Recent questions tagged class9

The ratio of daily wages of two workers is 4 : 3 and one gets daily Rs 9 more than the other, what are their daily wages?

asked Aug 26, 2015 by pady_1

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A square garden has fourteen posts along each side at equal interval. Find how many posts are there in all four sides.

asked Aug 26, 2015 by pady_1

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Three years ago the average age of A and B was 18 years. If C joins them today, the average becomes 22 years. How old is C now?

asked Aug 26, 2015 by pady_1

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A two digit number is three times the sum of its digits. If 45 is added to it, the digits are reversed. The number is

asked Aug 26, 2015 by pady_1

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If the area of a circle is 75.44 square cm then what is the circumference of the circle?

asked Aug 26, 2015 by pady_1

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A started a business investing Rs. 45,000. After 3 months, B joined him with a capital of Rs. 60,000. After another 6 months, C joined them with a capital of Rs. 90,000. At the end of the year, they made a profit of Rs. 16,500. What is A's share of profit ?

asked Aug 26, 2015 by pady_1

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What is 50% of 40% of Rs. 3,450?

asked Aug 26, 2015 by pady_1

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A and B are two taps which can fill a tank individually in 10 minutes and 20 minutes respectively. However, there is a leakage at the bottom which can empty a filled tank in 40 minutes. If the tank is empty initially, how much time will both the taps take to fill the tank (leakage is still there) ?

asked Aug 26, 2015 by pady_1

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If the fractions 8/5, 7/2, 9/5, 5/4, 4/5 are arranged in descending order of their values, which one will be fourth?

asked Aug 26, 2015 by pady_1

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The length of a rectangular field is thrice its breadth. If the cost of cultivating the field at Rs. 367.20 per square meter is Rs. 27,540, then what is the perimeter of the rectangle?

asked Aug 26, 2015 by pady_1

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A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be the percentage profit?

asked Aug 26, 2015 by pady_1

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The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number?

asked Aug 26, 2015 by pady_1

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Three numbers are in the ratio of 3: 4 :5 respectively. If the sum of the first and third numbers is more than the second number by 52, then which will be the largest number?

asked Aug 26, 2015 by pady_1

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The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is

asked Aug 26, 2015 by pady_1

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Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is the difference between R and Q’s age?

asked Aug 26, 2015 by pady_1

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A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?

asked Aug 26, 2015 by pady_1

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Pipe A can fill a tank in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank?

asked Aug 26, 2015 by pady_1

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What is the sum of two consecutive even numbers, the difference of whose squares is 84?

asked Aug 26, 2015 by pady_1

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A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is

asked Aug 26, 2015 by pady_1

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When you reverse the digits of age of father, you will get the age of son. one year ago the age of father was twice that of son’s age. what are the current ages of father and son?

asked Aug 26, 2015 by pady_1

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Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time will they cross each other travelling in opposite direction?

asked Aug 26, 2015 by pady_1

1 answer

A can contains a mixture of two liquids A and B in the ratio 7:5.When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many litres of liquid A was contained by the can initially?

asked Aug 26, 2015 by pady_1

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A can type 10 pages in 5 minutes. B can type 5 pages in 10 minutes. Working together, how many pages can they type in 30 minutes?

asked Aug 26, 2015 by pady_1

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A candidate appearing for an examination has to secure 40% marks to pass paper I. But he secured only 40 marks and failed by 20 marks. What is the maximum mark for paper I?

asked Aug 26, 2015 by pady_1

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A person lost 10% when he sold goods at Rs.153. For how much should he sell them to gain 20%?

asked Aug 26, 2015 by pady_1

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At what rate of simple interest per annum an amount will be doubled in 10 years?

asked Aug 26, 2015 by pady_1

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Water is filled in a cylindrical vessel in such a way that its volume doubles after every five minutes. If it takes 30 minutes for the vessel to be full, then the vessel will be one fourth full in

asked Aug 26, 2015 by pady_1

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A school has enough food for 400 children for 12 days. How long will the food last if 80 more children join them?

asked Aug 26, 2015 by pady_1

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The perimeter of a rectangular field is 480 meters and the ratio between the length and breadth is 5:3. The area of the field is

asked Aug 26, 2015 by pady_1

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In a class of 100 students, 50 students passed in Mathematics and 70 passed in English, 5 students failed in both Mathematics and English. How many students passed in both the subjects?

asked Aug 26, 2015 by pady_1

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Speed of a boat in still water is 9 km/hr. It goes 12 km down stream and comes back to the starting point in three hours.What is the speed of water in the stream?

asked Aug 26, 2015 by pady_1

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Find the area of a right angled triangle whose hypotenuse is 10 cm and base 8 cm.

asked Aug 26, 2015 by pady_1

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Find the next term in the series: 3, 6, 9, 18, 27, 54, ...

asked Aug 26, 2015 by pady_1

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A father is 30 years older than his son. He will be three times as old as his son after 5 years. What is the father's present age?

asked Aug 26, 2015 by pady_1

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A goat is tied to one corner of a square plot of side 12m by a rope 7m long.Find the area it can graze?

asked Aug 26, 2015 by pady_1

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A student is ranked 13th from right and 8th from left. How many students are there in total?

asked Aug 26, 2015 by pady_1

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4 men & 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

asked Aug 26, 2015 by pady_1

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There are eight mango trees in a straight line. The distance between each mango tree with other is 3 metres. What is the distance between first tree and eighth tree?

asked Aug 26, 2015 by pady_1

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A man wants to reach a window which is 40 feet above the ground. The distance from the foot of the ladder to the wall is 9 feet. How long should the ladder be ?

asked Aug 26, 2015 by pady_1

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10 cats caught 10 rats in 10 seconds. How many cats are required to catch 100 rats in 100 seconds

asked Aug 26, 2015 by pady_1

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What is the ratio of 12 minute to 1 hour ?

asked Aug 26, 2015 by pady_1

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If 30% of a number is 12.6, find the number?

asked Aug 26, 2015 by pady_1

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If the cost of x metres of wire is ` d, then what is the cost of y metres of wire at the same rate ?

asked Aug 26, 2015 by pady_1

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A boy multiplied 12345679 by second, third and seventh multiple of 9, then the average of their total is _____.

asked Aug 26, 2015 by pady_1

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Arun and Sajal are friends. Each has some money. If Arun gives ` 30 to Sajal, then Sajal will have twice the money left with Arun. But, if Sajal gives ` 10 to Arun, then Arun will have thrice as much as is left with Sajal. How much money does Arun and Sajal have ?

asked Aug 26, 2015 by pady_1

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In how many years will a sum of ` 800 at 10% per annum compounded semiannually become ` 926.10 ?

asked Aug 26, 2015 by pady_1

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If the radius of a circle is decreased by 50%, find the percentage decrease in its area.

asked Aug 26, 2015 by pady_1

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A library has an average of 510 visitors on Sundays and 240 on other days. The best estimate average number of visitors per day in a month of 30 days beginning with a Sunday is ___.

asked Aug 26, 2015 by pady_1

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A group of students decided to collect as many paise from each member of the group as the number of members. If the total collection amounts to ` 59.29, the number of members in the group is ___.

asked Aug 26, 2015 by pady_1

1 answer

1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total students who failed is ____.

asked Aug 26, 2015 by pady_1

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