Mr. Karim purchased TK. 600 worth of traveler's cheques. If each cheque was worth either TK. 20 or TK. 50, which of the following cannot be the number of TK. 20 cheques purchased ?
Which of the following inequalities is true ?
(2uv)2+(u2-v2)2=?
If the cost of a long-distance phone call is C taka for the first minute and (2/3) C taka for each additional minute, what is the cost, in taka, of a 10 minute call of this type?
In the figure below, the area of square PQRS is 64. What is the area of triangle QRT?
If 5/8=3/x and y=1/5, what is the value of (x+6y)?
41/30
2
6
16/5
If a square is inscribed in a circle of radius r as shown below, then the area of the square region is______
If a person can save TK.380 in 5 weeks, in how many weeks, at this same rate, can the person save 2.6 times amount ?