P,Q and R start a business. P invests 3.5 times as much as Q invest and Q invest one third of what R does. If the gross profit is Tk. 1545 determine the share of P.
For all natural value of n, the number n2+n+3 is
The perimeter of a rectangular box is 42cm. The length is 13 cm. Find its area.
Sita's age is is double of Geetha's Some years back, Geetha was 30 years younger than Sita , Find Sita's age
Find the factors of the expression x3-3x2-x+3
If a+b+c=0 find the value of a3+b3+c3abc
Find the value of a if 27a=15b and 3a=5b
The average weight of 39 students is 30 kg. By the admission of a new student, the average comes down to 29.8 kg. Find the weigth of the new student.
Three consecutive eveb numbers are such that if the first is divided by 6, the second by 4 and the third by 7, the sum of the quotients is 38. Find the numbers.
A certain stock of food items is sufficient for 40 men for 12 days. Assuming the eating capacity of all the men to be the same , find for how many days the food stock will last if an additional 15 men join the group.