# Data Sufficiency Questions

A) Only I | B) Only I or Only II |

C) Only II | D) I and II together or I and III together |

Explanation:

From I and II. we conclude that Mathematics period began at 9.00 a.m., Biology period began at 8.00 a.m. and Physics period began at 11 a.m. So. the Chemistry period began at 10.00 a.m. From I and III, we conclude that Mathematics period ended and Chemistry period began at 10.00 a.m.

A) If the data in statement I alone are sufficient to answer the question | B) If the data in statement II alone are sufficient answer the question |

C) If the data either in I or II alone are sufficient to answer the question; | D) If the data in both the statements together are needed. |

Explanation:

The area of the plot can be determined from both I and II as follows .

Let the breadth of the plot be x metres Then, length = (x + 4) metres

Thus, perimeter s 208 metres 2(x + 4 + x) = 208 ,

4x =200, x = 50.

So. length =54 metres. breadth = 50 metres.

Area of the plot = 2700 m^2.

Hence, both I and II are required

A) Only I | B) I and II together |

C) II and III together | D) I and III together |

Explanation:

From I, we have : M>V, V> S, V > N.

From II. we have : Mukul is the oldest.

From 111, we have : S > N Combining (I) and (III) we get : M> V, V >S>N or M > V> S > N.

Clearly, Nikunj is the youngest.

A) If the data in statement I alone are sufficient to answer the question | B) If the data in statement II alone are sufficient answer the question |

C) If the data either in I or II alone are sufficient to answer the question; | D) If the data even in both the statements together are not sufficient to answer the question |

Explanation:

The present price of the mixer can he calculated from statement II as follows

Let the earlier price be Rs x.

Then, 10% of x = 220 or x = 2200. Present price = Rs (2200 + 220) = Rs 2420.

So, only II is needed.

A) If the data in statement I alone are sufficient to answer the question | B) If the data in statement II alone are sufficient answer the question |

C) If the data either in I or II alone are sufficient to answer the question; | D) If the data in both the statements together are needed. |

Explanation:

From 1, we find that

Total money with Naresh and Ajay = Rs {(28/1OO)x 75000} = 21000.

From II, we find that money with Ajay = Rs {(3/4) x 21000 } = 15750.

So, both I and II art required

A) 20 or 21 | B) 20 |

C) 21 | D) None |

Explanation:

According to Pradeep : 20,21 or 22...(1)

According to his brother : not 22....(2)

From (1)&(2), the birthday falls on February 20 or 21.

A) If the data in statement I alone are sufficient to answer the question | B) If the data in statement II alone are sufficient answer the question |

C) If the data either in I or II alone are sufficient to answer the question; | D) If the data even in both the statements together are not sufficient to answer the question |

Explanation:

From statement I. we can conclude that the Chairman visited Purchase department on Monday of the first week of September. So, I alone is sufficient, The time of visit of no department is mentioned in II. which is, therefore, insufficient