Simplify : (27)-23
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Evaluate 93 + 32 + 274 + 225
For how many positive integers 'n', n3 - 8n2 + 20n - 13 is a prime?
Find the odd man out of the following number sequence?
3, 5, 13, 43, 167
The given number series is 3, 5, 13, 43, 167
3
3 x 1 + 2 = 5
5 x 2 + 3 = 13
13 x 3 + 4 = 43
43 x 4 + 5 = 177 (not equal to 167)
Hence, the odd number in the given number sequence is 167.
Given w = -2, x = 3, y = 0 & z = -1/2, find the value of w2(z2 + y2)
Consider the following two triangles as shown in the figure below.
Choose the correct statement for the above situation.
A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 75 paise per sq m is
Area to be plastered = 2l+b×h+l×b
=225+12×6+25×12=744sq.m
Cost of plastering = 744×75100=Rs.558
What is the value of 5123 + 169 + 2163 + 225 ?
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