If the length of a rectangular plot of land is increased by 5% and the breadth decreased by 10%, by how much percentage will its area change?

Increase by 5.5% | ||

Decrease by 5.5% | ||

Decrease by 0.55% | ||

No change |

If the price of a commodity is increased by 50%. By what fraction must its consumption be reduced so as to keep the same expenditure on its consumption?

1/4 | ||

1/3 | ||

1/2 | ||

2/3 |

Two successive price increase of 10% and 10% of an article are equivalent to a single price increase of….

19% | ||

20% | ||

21% | ||

22% |

1.14 expressed as a per cent of 1.9 is….

6% | ||

10% | ||

60% | ||

90% |

If A’s income is 50% less than that of B’s, then B’s income is what per cent more than that of A?

125 | ||

100 | ||

75 | ||

50 |

65g is what per cent of 2 kg?

13/4 | ||

65/2 | ||

15/8 | ||

13/8 |

If the circumference of a circle is decreased by 50% then the percentage of decrease in its area is…

25 | ||

50 | ||

60 | ||

75 |

In two successive years, 80 and 60 students of a school appeared at the final examination of which 60% and 80% passed respectively. The average rate of students passed (in percent) is….

68% | ||

68 4/7 % | ||

70% | ||

72 3/7 % |

The number 20% more than 80 is….

36 | ||

30 | ||

90 | ||

96 |

The population of a town is 15000. If the number of males increases by 8% and that of females by 10%, then the population would increase to 16300. Find the number of females in the town.

4000 | ||

6000 | ||

3000 | ||

5000 |