A, B and C can complete a piece of work in 14, 6 and 12 days respectively, Working together, they will complete the work in-
A shopkeeper purchase 15 mangoes for Tk. 10 and sells them at 10 mangoes for Tk. 15. Thus, he earns a profit of-
50%
75%
80%
125%
A polygon that has 10 sides is called
If a:b=1:3, b:c=5:7 then what is the value of a:b:c?
A man's regular pay Tk. 30 per hour up to 40 hours. Overtime is twice the regular payment. If he was paid Tk. 1680, how many hours overtime did he work?
The numbers 2,3,5 and x have an average equal to 4 . What is x?
If 6.4 is 80 percent of 20 percent of a certain number, what is the number/
If a 10% deposit that has been paid toward the purchase of a cetain goods is tk.110, how much Taka remains to be paid?
The ratio of two number is 2:3 The sum of the number is 100. The diffrence between two numbers is-
the price of two bannas is Tk. 40, and the sum of the price of one banna and two kiwis is Tk. 50. The sum of the prices of two bannas and three kiwis is Tk.
The length of two smaller sides of a right angled triangle are 5 cm and 12 cm respectively. The length of the thirs side is-
What are the two roots of the equation x2-7x+12?
The sum of square of two numbers is 48 and the square of their diffrence is 16. The prodduct of the two number is-
If 25% of a number is 75, 80% of the number is-
300
180
375
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A man is now 3 times as old as his son. In 10 years time, the sum of their ages will be 76. How old was the man when his son was born?
Amira can type 720 words in sixteen minutes, Reya can type 820 words in 18 minutes ans Zunaira can type 798 words in 19 minutes. Whos is/are the fastest typist (s)?
A person incurs a loss of 5 % by selling a watch for Tk. 1140. At what price should the watch be sold to earn 5% profit?
A woman buys 50 eggs for $6.60. Some cost 12 cents each and the rest 14 cents each. How many eggs has she bought at 14 cents each?
Consider ∆ ABD such that angle ADB=20° and C is a point on BD such that AB=AC and CD=CA. Then the measure of angle ABC is-
If x+y=a and x-y=b, then 2xy=