Exams

The perimeter of two similar triangles is 36 units and 48 units. Find the ratio of their corresponding areas.

In ΔPQR measure of angle Q is 90 deg. If cotP = 8/15, and PQ = 4cm, then what is the length (in cm) of side PR?

A girl walking at the speed of 2 km/hr covers a certain distance in 7 hours 30 minutes. If she covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of cycle?

In the following figure, rectangle represents Cinematographers, circle represents Lyricists, triangle represents Trekkers and square represents Joggers. Which set of letters represents Trekkers who are not Joggers?

Consider the given question ans decide which of the following statements is sufficient to answer the question.

Which of these natural numbers X, Y, Z, U and V are even numbers?

Statements:
1. X, Y, Z, U and V are consecutive numbers.
2. Z is an odd number.

The bar graph shows 1 month's sales figures of different brands of washing machines of a certain electronics store in Rs. 1000s. Study the diagram and answer the following questions.

What is the ratio of sales of brand G to that of brand A?

 In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I: No medals are trophies

Statement II: No badges are medals

Conclusion I: All trophies are badges

Conclusion II: Some badges are trophies

Read the following paragraph carefully and answer the question based on the information provided in it.

Population explosion needs controlled measures to manage earth's resources. We must find ways to utilize the natural resources in an efficient manner to satisfy the ever-growing needs of the people. Solar energy may be used to replace the increasing demand for fuels like coal, wood and so on. Rainwater harvesting is a must to meet the water needs of the urban population. If we deplete the earth of its resources at such a fast pace, sooner or later we will have to search for another planet that can sustain life like earth.

Which of the following is true according to the paragraph?