a-1a=3 হলে, a2-1a2 = কত?
6
9
11
১২
If x -1x=5 , the value of (x+1x)2 is:
২৩
২৪.৫
25
২৫.৫
Evaluate 413-256
একটি সংখ্যার সাথে ১৩ যোগ করলে তার ১৩ অংশ ঐ সংখ্যার দ্বিগুনের চেয়ে ১ বেশি হয়। সংখ্যাটি কত?
৫
3
2
What is the value of the expression . 1/[1+1/(1+1/4)]?
যদি x2-25 = 12 হয় এবং x + 5 = 4 হয় তবে X- 5 = কত?
-6
-২
14
which of the following is the largest fraction?
১ টি
২ টি
৩ টি
৪ টি
If x and y are two different real Numbers and xz=yz then the value of z is?
If x +y = 1/a and x-y =a then the value of x2-y2 is:
Current age of Zamil's father is father is three times of Zamil. After 16 years from now father's age will be twice of Zamil . What is the current age of Zamil ?
Solve for x if 16x - 4 = 68 + 7x
A firm pays fixed costs of Tk. 1500 plus another Tk. 60 for each unit produced . How much can it produce for a budget of Tk. 4, 800?
Tahir gets paid travelling expense's according to the distance he drives in his car plus a weekly sum of Tk. 21 . He claims for 420 miles travelled and receives an expenses payment of Tk. 105 .What is the payment rate per mile ?
There are 3 doors to a lecture room, In how many ways can a lecturer enter and leave the room?
A clock seen through the mirror reads a quarter to nine. What is the actual time?
At a party, everyone must shake the hand of the other. If the total number of handshakes is 66, there are ----people at the party.
The ratio of the area of a circle to the radius of the circle is --
338