Comparing Quant...

If Teena's height is 170 cm and Sonu's height is 150 cm, then what will be the ratio of Teena's height to Sonu's height?

At what percentage will you get an interest of Rs. 50 on Rs. 500 after two years?

A bike can travel 130 km with 2.5 litres of petrol. How far can it travel with 30 litres of petrol?

My mother says, in her childhood petrol was Rs. 1 per litre. It is Rs. 52 per litre today. By what percentage has the price gone up?

The selling price of a toy car is Rs. 540. If the profit made by the shopkeeper is 20%, then what is the cost price of this toy?

The percentage of calcium in chalk is 40%. If calcium content is 1 g in a stick of chalk, then what is the weight of chalk?

What is the ratio of 7 km to 700 m?

The population of a city decreased from 25,000 to 24,500. What is the percentage decrease in the population of the city?

What is the value of  in percentage?

A shopkeeper buys a toy for Rs. 72 and sells it for Rs. 80. What is his profit in percentage?

If Mona gives an interest of Rs. 45 for one year at 9% p.a, then what is the sum of money that she borrowed?

The population of Rajasthan is 570 lakhs and the population of Madhya Pradesh is 1660 lakhs. Also, the area of Rajasthan is 3 lakhs km² and the area of Madhya Pradesh is 4 lakhs km². How many people are there per km² in Rajasthan and Madhya Pradesh, respectively?

Chalk contains calcium, carbon and oxygen in the ratio 10 : 3 : 12. What is the percentage of carbon in the chalk?

What is the value of 0.09 in percentage?

A brick is made up of two ingredients; 40% of the first and 60% of the second ingredient is used. If a brick weighs 5 kg, then what is the weight of the first ingredient used?