The respective ratio of the present age of Swati and Trupti is 4 : 5. Six years hence the respective ratio of their age will be 6 : 7. What is the difference between their age?
Mr. Pandit owned 950 gold coins all of which he distributed amongst his three daughters Lalita, Amita and Neeta. Lalita gave 25 gold coins to her husband, Amita donated 15 gold coins and Neeta made jewellery out of 30 gold coins. The new respective ratio of the coins left with them was 20 : 73 : 83. How many gold coins did Amita receive from Mr. Pandit?
The average weight of 45 students in a class was calculated as 36 kg. It was later found that the weight of two students in the class was wrongly calculated. The actual weight of one of the boys in the class was 32 kg.,but it was calculated as 34 kg. and the weight of another boy in the class was 45kg. whereas it was calculated as 40 kg.What is the actual average weight of the 45 students in the class ?(Rounded off to two-digits after decimal)
A bike covers a certain distance at the speed of 64 km/hr. in 8 hours. If the bike was to cover the same distance is approximately 6 hours, at what approx imate speed should the bike travel ?
Vikas gets Rs 350 for every day that he works. If he earns Rs 9,800 in a month of 31 days, for how many days did he work ?
