Questions

In figure, DE || BC. If DE = 3 cm, BC = 6 cm and area of ΔADE = 15 sq cm, then the area of ΔABC is

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. 

Not too long then, the (1)/ lodge was the only (2)/ place to stay here. (3)/No Error (4)

Depreciation is loss in value of ________

Find arc elasticity of demand, if quantity demanded falls from 4600 to 4200 when price of the item is increased from Rs 960 to Rs 1000?

Which one of the following is not a non-conventional source of energy?

Which of the following is a major river in Bangladesh which is also the main distributary of the Ganges?

Dudhwa Tiger Reserve is in which state?

Which of the following is an excretory organ of cockroach?