In a row trees is 7 th from the left and 14% from the right end. how many trees are there in the row?
P works twice as fast Q. If Q can complex a work in 12 days independently, the number of days in which P and Q can together finish the works is_____
A husband and wife have six married sons. Each of them has four children. The total number in the family is_____
A gas tank is 1/5 th full and requires 32 gallons to make it 3/7 full. What is the capacity of the tank?
If the salary of an emplyees is reduced by 10 percent for has late attendance and them increased by 10 percent on a pardon, how much does he lose?
35% of Nabil's is equal to 25% of Saila's income. The ratio their income is
The simple interest on a of money will be tk. 600 after 10 years. if the principle is treble after 5 years, what will be the total interest at the end the tenth year?
A man spent 1/2 of his money and then lost 1/4 of the reminder. He was left with Tk. 3,600. How much did he start with?
In a class of 78 students 41 are taking 22 are taking German of the students taking french or German, 9 are taking courses. how many student are not cancelled is either course?
Find the value of n if 27n-13=243
P=52 then the value of P2 is -
(2x-1)2÷x-5 is equal to ---
If a+2b=6 and ab =4, What is 2a+1b?
If the difference between the circumference and diameter of a circle is 60 cm then the radius of the circle is____
If logx144=4, then x=?
The distance from the centre of a cirle of radiud 5 cm o a chord of lengh 8 cm-
The area of a circle of radius √2 is approximately-
IF the radiud of a sphere is increaded by 10% , how much will the surface area be increaded in ercentage?
How many integers between I and 100 are divisible by 3 but not by 5?
If n is an odd integer, which of the following must be an odd integer?