Aptitude Test Paper

Aptitude Test 1

1. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in: | A. | 5 days | | | | B. | 6 days | | | | C. | 10 days | | | | D. | 10 | 1 | days | | 2 | | | | |
Answer: Option C
Explanation:
(B + C)'s 1 day's work = | | 1 | + | 1 | | = | 7 | . | | | 9 | | 12 | | | 36 | |

Work done by B and C in 3 days = | | 7 | x 3 | | = | 7 | . | | | 36 | | | | 12 | |

Remaining work = | | 1 - | 7 | | = | 5 | . | | | | 12 | | | 12 | |

Now, | 1 | work is done by A in 1 day. | | 24 | |

So, | 5 | work is done by A in | | 24 x | 5 | | = 10 days. | | 12 | | | | 12 | | |

1. . The square root of 64009 is: | A. | 253 | | | | B. | 347 | | | | C. | 363 | | | | D. | 803 | | |
Answer: Option A
Explanation:
2|64009( 253 |4 |---------- 45|240 |225 |---------- 503| 1509 | 1509 |---------- | X |---------- * 64009 = 253. * 3. How many marks did Tarun secure in English? | I. | The average mark obtained by Tarun in four subjects including English is 60. | II. | The total marks obtained by him in English and Mathematics together are 170. | III. | The total marks obtained by him in Mathematics and Science together are 180. | * | A. | I and II only | | | | B. | II and III only | | | | C. | I and III only | | | | D. | All I, II and III | | | | E. | None of these | | | | | | * Answer: Option E * Explanation: * I gives, total marks in 4 subjects = (60 x 4) = 240. * II gives, E + M = 170 * III gives, M + S = 180. * Thus, none of (A), (B), (C),