0
Q:

# $∆ABC$ is right angled at B. BD is an altitude. AD = 4 cm and DC = 9 cm. What is the value of BD (in cm)?

 A) 5 B) 4.5 C) 5.5 D) 6

Explanation:
Q:

The given Bar Graph presents the Imports and Exports of an item (in tonnes) manufactured by a company for the five financial years, 2013-2014 to 2017-2018.

The given Bar Graph presents the Imports and Exports of an item (in tonnes) manufactured by a company for the five financial years, 2013-2014 to 2017-2018.

 A) 2016-2017 B) 2014-2015 C) 2015-2016 D) 2017-2018

Explanation:

0 65
Q:

The ratio of the areas of two triangles ABC and PQR is 4: 5 and the ratio of their heights is 5 : 3. The ratio of the bases of triangle ABC to that of triangle PQR is:

 A) 25 : 12 B) 12 : 25 C) 11 : 15 D) 15 : 11

Explanation:

0 58
Q:

The ratio between the speeds of two trains is 5 : 7. If the first train covers 300 km in 3 hours, then the speed (in km/h) of the first train is:

 A) 120 B) 140 C) 150 D) 100

Explanation:

0 30
Q:

Select the Venn diagram that best illustrates the relationship between the following classes.
Metal, Iron, Mercury

 A) B) C) D)

Explanation:

0 76
Q:

The average age of fifteen persons is 32 years. If two more persons are added, then the average is increased by 3 years. The new persons have age difference of 7 years. The age (in years) of the younger among the new persons is:

 A) 50 B) 58 C) 54 D) 61

Explanation:

0 111
Q:

Two numbers are in the ratio 3 : 4. On increasing each of them by 30, the ratio becomes 9 : 10. The sum of the numbers is:

 A) 35 B) 30 C) 32 D) 25

Explanation:

0 68
Q:

The given Bar Graph presents the number of students of two schools for six years.

What is the ratio of students taken for all years together from School B to that from school A ?

 A) 370 : 429 B) 415 : 401 C) 401 : 415 D) 429 : 370

Explanation:

0 482
Q:

The given Bar Graph presents the number of students of two schools for six years.

In which year, the percentage increase in students in school B is the highest in comparison to its previous year?

 A) 2010 B) 2013 C) 2009 D) 2011