In a Mehendi Ceremony 20 ladies came . Every lady puted full hand mehendi on their hands.More than 120 mehendi cones were used. Tell how many cones did one 1 lady used?

On Karwa chauth a lady put 100 gram mehendi on her 2 legs .she also put 120 gram mehendi on her both hands separately.if 25 gram mehendi has a rate of ₹ 27 so how much ruppes does she spend ?

A lady went to the market with a few one-rupee notes and a few 20-paise coins. When she returned, she had as many one rupees notes as she originally had 20 paise coins and vice versa.She actually came back with about two third of what she had gone with. How much could she spend in the market, if number of 20 paise coins lies between 45 to 50.

A man bought a number of bicycles for Rs. 10,000 . He kept one for his own use and then sold the rest at a price of Rs. 50 more than the cost price. Besides getting his own bicycle for nothing,he made a profit of Rs. 450 . How many bicycles did he buy ?

In a competitive examination, one mark is awarded for every correct answer while (1)/(4) mark is deducted for every wrong answer. A student answered 100 questions and got 80 marks. How many questions did he answer correctly ? (Use Cramer's rule to solve the problem).