L&T Company Numerical Ability Percentage

The population of a city increases by 4% per year but due to migration it decrease by 1% per years. What will be the percentage increase in population in 3 years?
(a) 9%
(b) 9.27%
(c) 27%
(d) 12%
(e) None of these

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L&T Other Question

Present birth rate is 32 per thousand while death rate is 11 per thousand. What will be the percentage increase in the rate of population?
(a) 0.21%
(b) 21%
(c) 0.021%
(d) 2.1%
(e) None of these

A cricket player whose bowling average was 24.85 runs per wicket, takes 5 wicket for 52 runs in a match. Due to this his average decreases by 0.85. What will be the number of wickets taken by him till the last match?
(a) 64
(b) 72
(c) 85
(d) 96
(e) None of these