After x years Era will be y years old. After 2 years, Era will be?
If 9 men or 15 women can do a work in 16 days, how long it take 3 men and 7 women to complete the job?
You can now purchase 5 more bananas with Tk 75 due to reduction in price by 20%. What is the current price of one dozen of bananas?
If x2+3=x3+4, x=?
What is 10% y3, If 2y3 is 10% of 600
If A : B=1 : 2, B : C=4 : 3 and A + B + C = 630 What is the value of A?