How to prepare IELTS exam?

A Hiker leaves the point O shown in the figure choosing one of the roads OB1,OB2,OB3,OB4 at random.

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13. Here is 15 dots. If you select 3 dots randomly, what is the probability that 3 dots make a tr

120, 315, 300, 345, ? ---- 390

what is the remainder of 3^24-1 is divided by 80?

what is the remainder when 3^24-1 is divided by 80? a)79 b)1 c)0

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If the area of the triangle BCE is 8, what is the area of the square ABCD

Pappu purchases 2 gadgets for Rs. 1120. He sells one at 15% profit and the other at 10% loss. He nei