If by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is

Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is

A fan is listed at Rs. 150 with a discount of 20% . What additional discount must be offered to the customer to bring the net price to Rs. 108 ?

If 7 spiders make 7 webs in 7 days , then 1 spider will make 1 web in how many days ?

A motion moved by Member of Parliament when he feels a minister has committed a breach of privilege of the House by withholding facts of a case is called

Redistribution of income in a country can be brought about through

What was 'Kamagata Maru'?

Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?