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 ?
One quantity of wheat at Rs 9.30 per Kg is mixed with another quality at a certain rate in the ratio 8 : 7. If the mixture so formed be worth Rs 10 per Kg, what is the rate per Kg of the second quality of wheat?
One side of a rectangular field is 15m and one of its diagonal is 17m. Find the area of field?
One year ago, the ratio of Yamini and Gaminis was 6 : 7 respectively. Four year hence, the ratio would become 7 : 8. Find the age of Gamini ?
One-fourth of a tank holds 135 litres of water. What part of the tank is full if it contains 180 litres of water?
One-fourth of certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. Find the average speed for the whole journey
One-ninth of a certain number exceeds its one-tenth by 4. The number is
One-third of Rahuls savings in National Savings Certificate is equal to one-half of his savings in Public Provident Fund. If he has Rs. 1,50,000 as total savings, how much has he saved in Public Provident Fund ?
