In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 10 cm, 5 cm and 6 cm respectively. What is the length of BC?

• 9 cm

• 2 cm

• 3 cm

• 11 cm

A carpenter can build a cupboard in 60 hours. After 15 hours he takes a break. What fraction of the cupboard is yet to be built?

• 0.5

• 0.9

• 0.75

• 0.25

3.

Which of the following equations has the sum of its roots?

• x² - 5x + 6 = 0

• x² - 5x - 6 = 0

• x² + 5x + 6 = 0

• x² + 5x - 6 = 0

If Girilal's salary is  times of Hariram's and Shekhar's is  times of Hariram's, What is the ratio of Girilal's salary to Shekhar's salary.

• 44 : 21

• 28 : 33

• 33 : 28

• 21 : 44

(cos A + sin A)² + (cos A - sin A)² equals to

• 1

• 

• 2

• 0

The curved surface area of a hemisphere is 2772 cm² and volume is 19404 cm³, what is its radius? 

• 42 cm

• 21 cm

• 10.5 cm

• 31.5 cm

What is the value of  ?

If 4pxy = (x + 2y)² - (x - 2y)², then what will be the value of p?

• 0.5

• 0.25

• 4

• 2

Refer the below data table and answer following question:

Year	Profit or (-Loss) in ₹ crore
2011	5
2012	-5
2013	20
2014	5
2015	-5

What was the total profit or loss of the company in last 5 years?

• Profit of ₹ 30 crore

• Loss of ₹ 20 crore

• Loss of ₹ 30 crore

• Profit of ₹ 20 crore

Refer the below data table and answer following question:

India's exports in 2015	Value in million US dollar
Jewellery	500
Software	850
Cotton	950
Steel	875
Electronics	1000

Electronics was what percent of total exports?

• 23.46 %

• 25.96 %

• 18.46 %

• 20. 96 %