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One litre of water was mixed to 3 litres of sugar solutions containing 4% of sugar. What is the percentage of sugar in the solution?

A car owner buys petrol at Rs 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?

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) ?

(25.01)2 -(15.99)2=?

The mean o 12, 22, 32, 42, 52, 62, 72 is:

In a mixture of 60 litres, the ratio of milk and water is 2 : 1. If the ratio is to be 1 : 2, then the quantity of water to be further added is:

Jagtap purchases 30 kg of wheat at the rate of 11.50 per kg and 20 kg of wheat at the rate of 14.25 per kg. He mixed the two and sold the mixture. Approximately at what price per kg should he sell the mixture to make 30 percent profit?

A vessel has 20 litres of a solution of milk and water,having 90 per cent milk. How many litres of solution must be withdrawn from the vessel and replaced with water so that the vessel would have 80 per cent milk?

The body weight of seven students of a class is recorded as 54 Kgs., 78 Kgs., 43 Kgs., 82 Kgs., 67Kgs., 42 Kgs. and 75 Kgs. What is the average body weight of all the seven students?

548 567 624 719 852 1023?

The cost of 16 packets of salt, each weighing 900 grams is Rs. 28. What will be the cost of 27 packets, if each packet weighs 1kg?

The cost of 15 kgs. of sugar is Rs. 255, the cost of 17 kgs. of tea is Rs. 1615 and the cost of 22kgs. of rice is Rs. 572. What is the total cost of 18 kgs.of sugar, 21 kgs. of tea and 27 kgs. Of rice?

How is my father’s wife’s grandfather’s only child’s sons is related to me?

In how many different ways can the letters of word ‘BIOLOGY’ be arranged?

A person spends 65 per cent of his capital on machines and 22 per cent on raw materials. If 20 per cent of what he spent on machines is Rs 1300, then how much did he spend on machines and material (in rupees)?

A shopkeeper purchases 10 kg of rice at 600 and sells at a loss as much the selling price of 2 kg of rice. Find the sale rate of rice/kg.

A shopkeeper purchased 415 kg. of price at Rs. 25 per kg. He sold 225 kg. of rice at Rs. 28 per kg. At what approximately price per kg. should he sell the remaining rice in order to gain 20%?

Harkamal purchased 8 Kgs. of grapes at the rate of Rs. 70/- per Kg. and 9 Kgs. of mangoes at the rate of Rs. 55/-per kg. How much amount did he pay to the shopkeeper?

In how many different ways can the letters of the word ‘BLOATING’ be arranged?

A camp has provisions to last for 6 days for 224 cadets. How many cadets must be sent away for the provisions to last for 7 days?

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