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x2-11x+30 এবং x3-4x2-2x-15 বীজগাণিতিক রাশি দুইটির গ.সা গু কত?
30
x-5
x-3
50
.
The average of two numbers is 62. If 2 is added to the smaller number, the ratio between the numbers becomes 1 : 2. What is the smaller number?
A is twice as good a workman as B and together they finish a piece of work in 1 day. A alone can finish the work in -
The tax on a commodity is diminished by 10% and its consumption increases by 10%. Find the effects on revenue.
There are 3 green, 4 orange and 5 white colour bulbs in a bag. If a bulb is picked at random, what is the probability of having either a green green or a white bulb?
In the figure, AD and BC are lines intersecting at O. What is the value of a?
40
15
60
There are two squares S1 and S2 The ratio of their areas is 4 : 25. If the side of S1 is 6 cm. What is the side of S2 ?