X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-XY is
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In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
To go to somebody's head
A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?
The value of sec217°-1tan273°-sin17°sec73°
Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.
One who will do any job for anyone for money
If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?
In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Posterior
If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr) for the total journey?