In how many ways 4 letters can be posted in two post boxes?
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A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms to the east.How far is A from his starting point?
It takes five minutes to pass a rumor from one person to two other persons. The tree of rumor continues. Find how many minutes does it take spread the rumor to 768 persons.
Find the next series of 1,2,2,4,8,?
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train?
Find the missing number in the series: 2, 5, __ , 19 , 37, 75
Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
33 1/3 of 101 + 296 is
There are 6561 cricket balls out of them 1 is heavy. Find the minimum no. of times the cricket balls have to be weighed for finding out the heavy ball.
One skirt requires 3.75 yards of cloth. How many skirts you can make from 45 yards?
There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls. Which of the following fractions is less than 1/3?
there is a safe with a 5 digit No. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.
Age of Grandfather is the ages of 4 grandchildren where their ages are in consecutive.Find the age of Grandfather.
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(X)-f(X-1)=f(X-8) for X>5 then X= ?
A,B,C,D,E are some numbers.if AB * CD = EEE and CD - A =CC THEN what is AB * D =? IN SAME CODE .
Ganesh and Shankar travel abroad and take more luggage than the airlines allow. They have to pay extra money for it. They carry 52 kgs together and pay $60 and $100 respectively. Now, if the same luggage was carried by only Ganesh it would cost him $340. If the airlines charges only at one rate for extra luggage what is the maximum luggage that a person can carry without paying extra?
