The population of a village increases by 5% yearly. If at present the population of the village is 4410, then what was the population before two years?
4420
4430
4440
4000
A company makes an advertisement of shares to collect a capital of 25 lakh. If the printed price of one share is
20000
25000
30000
15000
If x=2, y=1, z=-3, then x3+ y3 = z3- 3xyz equals
6
2
8
0
D.
0
Here x+y+z = 2+1-3=0
=(x+y+z)(x2+y2+z2-xy-yz-zx)
=0
In a religious gathering, the ratio of the number of ladies to that of gents was 3:2. When 20 more gents joined, the ratio was reversed. The number of ladies was
36
40
16
24
Jatin buys an article for 10% less than its value and sells it for 10% more than its value. His gain is
20 %
None of these