On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is ?
On selling a pen for Rs 18, a man losses 1/10 of its cost price. The cost price of the pen is
On selling an article for 264 rs A man loses 4%. In order to gain 12% , find the selling price of the article
On selling an article for Rs. 240, a trader loses 4%. In order to gain 10 % he must sell that article for
On the same side of tower, two objects are located. Observed from the top of the tower, their angles of depression are 45° and 60°. If the height of the tower is 150 m, the distance between the objects is-
On what dates of April, 2001 did Wednesday fall?
On what dates of July. 2004 did Monday fall?
One bacterium splits into eight bacteria of the next generation. But due to environment, only 50% of one generation can produced the next generation. If the seventh generation number is 4096 million, what is the number in first generation?
One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?
One card is pulled out at random from a well-shuffled deck of playing cards (52 cards). This is seen to be a card of hearts. It is put back and the deck is shuffled again. Another card is now pulled out of the deck. What is the probability of the second card being a black king ?
