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In the diagram, ABCD is a rectangle with AE=EF=FB. What is the ratio of the area of the triangle CEF and that of the rectangle The average age of eight boys is 16 years. If the age of one more boy is added to it, the average age increases by 1 year. What is the age of that boy?

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4  1/3+ 3 1/4 -1 1/12 =?

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Some articles were bought at 6 for Rs. 5 and sold at 5 for Rs. 6. Gain percent is:

M, N, O and P divided `44352 among themselves. M took 3/8 th of the money, N took 1/6 of the remaining amount and rest was divided among O and P is the ratio of 3 : 4 respectively. How much did O get as his share?

The population of a town was 1,60,000 three years ago. If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population of the town is :

A, B, C started a business with their investments in the ratio 1 : 3 : 5. After 4 months, A invested the same amount as before and B as well as C withdrew half of their investments. The ratio of their profit at the end of the year is:

The probability that a student is not a swimmer is 1/5. Then the probability that one of the five students, four are swimmers is:

During one year the population o f a town increased by 20% and during the next year it diminished by 20%. Then the population now is

In an election, 30% of the voters voted for candidate A whereas 60% of the remaining voted for candidate B. The remaining voters did not vote. If the difference between those who voted for candidate A and those who did not vote was 1200, how many individuals were eligible for casting vote in that election?

I bought 5 pens, 7 pencils and 4 erasers. Rajan bought 6 pens, 8 erasers and 14 pencils for an amount which was half more than what I had paid. What percent of the total amount paid by me was paid for the pens?

52.416÷18.72+6.28 = ?

What amount a man would have received on a principal of RS.4,000 after two years on simple interest @ 5 p.c.p.a.?

An empty fuel tank of a car was filled with A type petrol. When the was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?

Sum of digits of a 5 digit number is 41. Find the probability that such a number is divisible by 11?

The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years.

The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:

A shopkeeper purchased 70 kg of potatoes for Rs. 420 and sold the whole lot at the rate of Rs. 6.50 per kg. What will be his gain percent?

A dishonest dealer sells his goods at the cost price but still earns a profit of 25% by underweighing. What weight does he use for a kg?

A very small ball lies at the point (3, 2) in the X – Y plane. The ball is now shifted by 5 units towards the negative Y-axis. If Y-axis were a mirror, then at what point will the image of this ball, lie?

10 17 48 165 688 3475 ?

If three balls are randomly drawn from the bag, then what is the probability that al least 1 is red.

The ratio of the present age of Manoj to that of Wasim is 3 : 11. Wasim is 12 years younger than Rehana. Rehana's age after 7 years will be 85 years. What is the present age of Manoj's father, who is 25 years older than Manoj?

A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?

The ratio of the number of boys and girls in a college is 7:8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

If three balls are randomly drawn from the bag, then what is the probability that one is Blue and other 2 are of other than Blue.

The remainder, when (1523 + 2323) is divided by 19, is?