ABCD is square and CDE is an equilateral triangle outside the square. What is the value (in degrees) of ∠BEC?
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If 3x + 4y – 2z + 9 = 17, 7x + 2y + 11z + 8 = 23 and 5x + 9y + 6z – 4 = 18, then what is the value of x + y + z – 34?
If a3 + b3 = 28 and a + b = 4, then what is the value of ab?
Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
WYV, ? , IKH, BDA
A can do 75% of a job in 9 days and B can do half of the job in 8 days. If they work on it together, then in how many days can they do half of the job?
Find the square root of 1485961
Select the antonym ofto remand