Q:

A) 15 | B) 20 |

C) 21 | D) data inadequate |

Answer: D) data inadequate

Explanation:

Explanation:

Clearly, to find the average, we ought to know the number of boys, girls or students in the class, neither of which has been given.

So, the data provided is inadequate.

6
942

3
9107

Q:

A) 7 and 8 | B) 6 and 7 |

C) 8 and 7 | D) 6 and 8 |

4
952

1
606

Q:

A) 11 | B) 11.111 |

C) 10.50 | D) 10.85 |

1
1091

2
834

Q:

A) 3, 32 | B) 12, 8 |

C) 1, 96 | D) 24, 4 |

0
7589

Q:

A) 301 : 60 | B) 7 : 3 |

C) 39 : 11 | D) 60 : 207 |

7
880