Find the number of ways of expressing 49 as a product of two factors.
If a = 4.36, b = 2.39, c = 1.97, then the value of a3-b3-c3-3abc is
Find the missing number in the sequence:
5, 10, 13, 26, 29, 58, 61, _____
In a certain code, SUBSTITUTION is written as ITSBUSNOITUT. How is DISTRIBUTION written in that code?
Three friends A, B, and C measure their heights. A is 10% taller than C, and B is 32% taller than C. By what percentage is B taller than A?
A can do a piece of work in 15 days. A is 40% more efficient than B. In how many days will the work be completed if they work simultaneously?
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:
In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
Three partners shared the profit in a business in the ratio 5: 7: 8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments?
The students of a class are made to stand in rows. If there are 4 extra students in a row, there would be 1 row less. If there are 4 fewer students in a row, there would be 2 rows more. Find the number of students in the class.