If income of Rahim is 25% more than that of Karim, then income of Karim will be how much less than that of Rahim?
The sum of the angles of a square is :
Sampa is 10 years older than Sanda. In 7 years time, Sampa will be twice asold as Sanda. What is the age of Sampa now in yoars.
Price of a product is discounted by 20% and the reduced price is then discounted by 5%. The ultimate discount is:
A man can row a boat at 10 km/hr in still water. If the speed of the stream is 6 km/hr, the time taken to row a distance of 80 km downstream is:
From 7 boys and 5 girls, 6 are to be selected for admission for a particular course. In how many ways can this be done if there must be exactly 3 girls?
The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?
A manufacturer of jam wants to make a profit of Tk. 0.65 each to make first 100 jars of jams and Tk. 0.55 to make each jar after the first 100. How much profit he will make from 300 jars of jam?
A digital 12 hour clock falls behind 10 minutes each day. How many days will it take to reach a point where the clock will indicate the correct time?
If the average of four numbers K, 2k+3, 3k-5, and 5k+1 is 63. What is the value of K?
On a shipping trip, Karim spent 1/3 of his money for a jacket and another Tk. 5 for a hat. If he still had 1/2 of his money left, how much money did he save originally?
What is the rate of discount if a product costing Tk 500 is sold for Tk. 470?
If 16(4a)=1, find the value of a :
In a certain country, a person born in every 7seconds and a person dies every 13 seconds. Therefore the birth and death rates account for a population growth rate of one person?
If the tigers and lions tie, which of the following could be an acceptable assignment for positions three through six, respectively?
কোনটি বৃহত্তম সংখ্যা?
৯০ ডিগ্রীর কোণের সম্পূরক কোণ কত ডিগ্রী?
১৫টি ভেড়ার মূল্য ৫টি গরুর মূল্যের সমান। ২টি গরুর মূল্য ৩০০০টাকা হলে ৩টি ভেড়ার মূল্য কত?
The value of 0.4*0.04*0.004*40 is --
চতুর্ভুজের ৪ কোণের সমষ্টি কত?