In how many ways 4 letters can be posted in two post boxes?
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A person went to shop and asked for change for 1.15 paise. But he said that he could not only give change for one rupee but also for 50p, 25p, 10p and 5p. What were the coins he had ?
In Madras, temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm.
A person starts walking at a speed of 5km/hr through half the distance, rest of the distance he covers with a speed 4km/hr. Total time of travel is 9 hours. What is the maximum distance he can cover?
Can you find out what day of the week was January 12, 1979?
There are two trees in a lawn. One grows at a rate 3/5 of the other in 4 years. If the total growth of trees What is the height of the smaller tree after 2 years
Calculate the area of the triangle in square cm if a right angled triangle where the length of the shorter leg is one third of the length of its hypotenuse. And the length of the shorter leg is 7 cm.
Find out the Simple Interest paid for a sum of $4000 at the rate of 8% per annum for 3 months.
During a given week A programmer spends 1/4 of his time preparing flow chart, 3/8 of his time coding and the rest of the time in debugging the programs. If he works 48 hours during the week , how many hours did he spend debugging the program.
If DBMDVUUB = CALCUTTA Then BOMBAY = ?
What percent of 60 is 12?
Rohan bought some rice at Rs. 10 per kilogram. He buys 2 kg rice from a ration store at the rate of Rs. 8 per kilogram. He mixes the two type of rice and sells at Rs. 11 per kilogram. He makes 25% profit. What is the ratio of non-ration to ration rice?
What is the difference between control module
1/3 of girls , 1/2 of boys go to canteen. What factor and total number of classmates go to canteen.
The diameter of a wheel is 1.26m. If this wheel rotates 500 rotations, how long it can travel?
If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Find the memory required for this?