If the number 481*673 is completely divisible by 9, then the smallest whole number in place of * will be:
The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:
The sum of all even natural numbers between 1 and 31 is:
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. The sum of the numbers is:
Find the average oof all the numbers between 6 and 34 which are divisible by 5.
The difference between a number and its three-fifth is 50. what is the number?
Sazu is younger than Rabi by 4 years. If their age ratios are of 7 : 9 respectively, how pld is Sazu?
If 120 is 20% of a number, then 120% of that number will be:
A's income is 25% more than B's income. B's income in terms of A's income is:
The ratio of the cost price and the selling prices is 4:5. The profit percent is :
The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is
A, B and C enter into a partnership with a capital in which A's contribution is Tk. 10,000. If out of a total profit Tk. 1,000. A gets Tk. 500 and B gets Tk. 300 then C's capital is?
In a dairy firm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk.
A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone?
In what time will atrain 100 meters long cross an electric pole, if its speed is 144 km/hr.?
Average of all prime numbers between 30 to 50 is:
If the cost price is 25% of selling price then what is the profit percent?
A and B together have Tk. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount. How much amount B has?
If a person walks at 14 km/hour instead of 10 km/hour, he would have walked 20 km more. The actual distince travelled by him is:
A cistern 6m long and 4m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:
In what time period will simple interested on Tk. 500 at 5% be equal to the interest on Tk. 400 for 5 years at 5%?
8 years
6 years
4 years
3 Years
A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank what time ?
If p-q=3 and p^2+q^2 = 29, find the value of pq.
If m and n are whole numbers such that m^n = 121, the value of (m-1)^n+1 is
The average age of 32 students is 10 years. If the teacher's age is also included, the average age increases by one year. What is the age of the teacher?
What is the square root of 0.16?
A shopkeeper purchases 70kg of potatoes for Tk. 420 ans sold the whole lot as the rate of Tk. 6.50 per kg. What will be his gain in percentage ?