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

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

What would be the simple interest obtained on an amount of 8220 Rs at the rate of 7.5% per annum after six years?

What is the number of digits in 484 × 512 ?

When a number is added to another number the total becomes 33 1/3 percent of the second.  What ratio between the first and the second?

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

A men sells two commodities for Rs. 4000 each, neither losing nor gaining in the deal, If he sold one commodity at gain of 25%, the other commodity is  sold at a loss of:

Three years ago , the average age of A, B and C was 27 years and that of B and C, 5 years ago was 20 years. A’s present age is

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?

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 manufacturer offers a 20% rebate on the marked price of a product. The retailer offers another 30% rebate on the reduced price. The two reductions are equivalent to a single reduction of :

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 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.

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?

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?

What is the probability of getting a sum 9 from two throws of a dice?

A sum fetched total simple interest of ?4016.25 at the rate of 9 p.c.p.a. in 5 years.What is the sum?

10 17 48 165 688 3475 ?

By selling an umbrella for Rs.300, a shopkeeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is:

On selling an item for 96 Rs a man gains 20%. In order to gain 35%. What will be the increase in the selling price?

The circumference of the front wheel of a cart is 40 ft long and that of the back wheel is 48 ft long. What is the distance travelled by the cart, when the front wheel has done five more revolutions than the rear wheel?

A man buys eggs at 2 for Re.1 and an equal number at 3 for Rs. 2 and sells the whole at 5 for Rs. 3. His gain or loss percent is :

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

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

The length of one pair of opposite sides of a square is increased by 5 cm on each side: the ratio of the length and the breadth of the newly formed rectangle becomes 3 : 2. What is the area of the original square?

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?

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?