What is the length of BC?
In the figure, A, B, C, and D are the points on the line in that order. If AC=5, BD=10 and AD=13, then what is the length of BC?...
1 Replied
What is the area of the Circle whose diameter is AB?
A and B are the centers of two circles that touch each other externally, as shown in the figure. What is the area of the Circle whose diameter is...
3 Replied
What percentage of student answering correctly?
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered...
1 Replied
How many typist needed?
If two typists can type two pages in two minutes how many typists will it take to type 18 pages in six minutes? (a) 3; (b) 4 ; (c)...
2 Replied
Parallelogram
PQRS is a parallelogram and ST = TR. What is the ratio of the area of triangle QST to the area of the parallelogram?
1 Replied
Fluid Mechanics
Find the height of the free surface if of water is poured into a conical tank 20 in high with base radius 10 in. How much additional water...
1 Replied
Similar triangles
In the figure given, BC is parallel to DE. Area of triangle ABC =25 , area of trapezium BCED = 24 , DE = 14 cm. Calculate the length of...
1 Replied
Electromagnetics
Find the energy stored in the system of 4 identical charges of 4 nC each placed at the corners of a square of side 1 meter.
1 Replied
Angles of elevation and depression
A block of flats is 200 m away from a cellphone tower. Someone stands at B. They measure the angle from B to the top of the tower E...
1 Replied
Determine x and y
In △TQP, SR∥QP, SQ=12 cm and RP=15 cm. If TR=x/3, TP=x and TS=y, determine the values of x and y, giving reasons.
1 Replied
Find Area of right triangle
Given Equation AO y=2x, BO y=(1/3)x , and C pass through (5,5). What is area of right angle triangle AOB?
1 Replied
Probability
Deepak rolls two dices and gets a sum more than 9. What is the probability that the number on the first dice is even ?
2 Replied
Find area of Shape
Given, A = 90, B = 90, D = 90. AD = 15, AB = 20, CD = 8, BE = 10 . Find total area of ABCD.
3 Replied
Find angle ABC value?
In given triangle, what is the value of ABD? Given, ADB = 10, ACB = 20, ACD = 60, BDC = 70 .
1 Replied
Find value of b in given funtion
Consider the above three functions. If x, y is (4,6), then what is the value of b ?
3 Replied
Solve for x.
Answering same question using keyboard: WKT, x+y=12, where y=5; => x+5=12 => x=12-5 => x=7
4 Replied
