Three numbers form a geometric progression. If the third term is decreased by 64, then the three numbers thus obtained will constitute an arithmetic progression. If the second term of this arithmetic progression is decreased by 8, a geometric progression will be formed again. Determine the middle number.Plz explain how to do this avoiding long and tedious equations!!!
There is a triangular field ABC where angle(A) = 30 and AB = AC = 10m. There is a cow tethered at point A by a rope of length 12m. Neither the rope nor the cow is allowed to enter the triangular field. Calculate the area over which the cow can graze?
If the price of the Kerosene be raised by 10%, find by how much percent a house holder must reduce his consumption of kerosene so that not to increase his expenditure ??
an engg. undertakes to buiit a road of 15 kms in 400 days using 45 workers . after 100 days only 2.5km was completed . find how many more men he needs to finish work in time ?
In an examination , the maximum marks for each of the three papers is 50 each, the maximum marks for the fourth paper is 100. Find the number of ways with which a student can score 60% marks in aggregate.
bhai log solve karo ye: For a right angled triangle, the circumference of the circumcircle is 50pie cm. if the perimeter of the triangle is 112 cm, then find the area of the triangle?
In a Km race if A is gives B a head start of 40 m then A wins by 19sec. If A gives B a head start of 30 sec B wins by 40m. The time taken by each of them to run a km in seconds?
A milkman confesses to sell the milk at 17.5% less than his cost price but he still make a profit of 10% as he has mixed water in the milk (assuming water is available at half price of milk). How much water has been mixed in the milk?
The village of Hara Kiri has two thirds of its males married to 90% of its females such that each such man is married to exactly two such females. What is the minimum possible 4 digit population of Hara Kiri ? (Children are not to be counted as part of population concerned unless they are married) (a) 1005 (b) 1026 (c) 1080 (d) Can not be determined.
Ali along with his friends embarked on a boat journey while making all his preparation for the journey, hechecked the boat manufacture, s data and was glad to learn that the boat was really dependable as it couldfloat even if it was upto 75% full of water (with more water it could sink). Unfortunately, the boatdeveloped a hole during his journey the hole filling up water @2 liter per minute. The boat was alsoequipped with a drainage pump which could empty a boatful of water in 32 hrs. If Ali figures that theyhave a maximum of 12 hrs to reach a safe place (before they sink), what is the capacity of the boat.
A faulty clock gains 10 minutes every hour. If the time is set correctly at 12 Noon on 1st July 2013, then how many times will its minute-hand and hour-hand meet in the next 24 hours ?
The equation 3x + 11y = k, where k is a 2 digit no., has exactly 3 solutions in which both x & y are positive integers. Which of the following is not a value of x? a. 5 b. 17 c. 25 d. 19 e. 12