A) 1 | B) 2 |

C) 3 | D) 5 |

Explanation:

Use unitary method:

In hours, 123 typists can type 984 paper

In 1 minute, 123 typists can type = 246 papers

In 1 minute, 1 typist can type =2 papers [ Hint hours = 4 minutes]

A) Rs. 3748 | B) Rs. 3847 |

C) Rs. 3944 | D) Rs. 3154 |

Explanation:

Let the side of the square plot be 'a' ft.

Given area of the plot (a x a) = 289 => a = 17

Length of the fence = Perimeter of the plot = 4a = 68 ft.

Cost of building the fence = 68 x 58 = Rs. 3944.

A) 6 | B) 8 |

C) 4 | D) 5 |

Explanation:

Let the number of boys in the group originally be x.

Total weight of the boys = 30x

After the boy weighing 35 kg joins the group, total weight of boys = 30x + 35

So 30x + 35 + 31(x + 1) = > x = 4.

A) 33 yrs | B) 34 yrs |

C) 35 yrs | D) 36 yrs |

Explanation:

Total age of players in team = 22 x 11 = 242

When coach is included, total members = 12, Avg age increases by one becomes 23

Total age when coach is included = 23x12 = 276

Age of coach = 276-242 = 34 yrs.

A) 48 | B) 41 |

C) 45 | D) 43 |

Explanation:

3X + 4y = 240

by substitute through options 48 is correct

A) 22 | B) 21 |

C) 11 | D) 17 |