In how many ways can the letters of the word "RUMOUR" be arranged?
If the word RIPPLE is coded as 613382 and the word LIFE is coded as 8192, then the word PILLER is coded as _____.
The ratio of milk and water in 63 kg of adulterated milk is 7 : 2. How much water needs to be added to make the ratio 7 : 5?
1 litre of water is added to 5 litres of a 40% alcohol-water solution. What will be the alcohol strength of the new solution?
X can do a work in 15 days and Y in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :
Which of the following set of letters, when sequentially placed at the gaps in the given letter series, will complete it?
_ab_b_aba_ _abab
If at the same rate of interest, in 2 years, the simple interest is Rs. 40 and compound interest is Rs. 41, then what is the principal?
One-third of the boys and half the girls of a college play sports. If the total number of girls in the college is 50 and they make up 1/4 of the total strength, what fraction of the total students play sports?
A and B can do a piece of work in 12 days, B and C can do it in 15 days, and C and A can do it in 20 days. They all worked together for 4 days, and then C leaves. In how many days can A and B finish the remaining work?
Amit starts from a point A and walks to another point B and then returns from B to A by his car, taking a total time of 6 hours and 45 minutes. If he had driven both ways in his car, he would have taken 2 hours less. How long would it take for him to walk both ways?