50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is , then the rise in the water level in the tank will be:

Alex sold his goods after announcing two successive discounts of 30% each. The effective discount altogether is-

If angle bisector of a triangle bisects the opposite side, then what type of triangle is it?

The upper part of a tree is broken over by the wind makes an angle of 60 ° with the ground. The distance between the root and the point where top of the tree touches the ground is 25 metres. What was the height (in metres) of the tree? 

In how many ways can letter of the word MAILINGS arrange so that M and N always come together? 

Anil bought two articles A and B at a total cost of ₹ 10,000. He sold the article A at 15% profit and the actacle B at 10% loss. In the whole deal, be made no profit or no loss. Find the selling price of the article A.

What will be the area of thé trapezium formed by x - axis , y - axis , and lines 3x + 12 , 6x + 8y = 60 ? 

Which of the following statements is/are True?
I.
II.
III.