A) 4 | B) 6 |

C) 2 | D) 3 |

Explanation:

Total money decided to contribute = 750 x 12 = 9000

Let 'b' boys dropped

The rest paid 150/- more

=> **(12 - b) x 900 = 9000**

=> **b = 2**

**Hence, **the number of boys who dropped out is **2.**

A) 6 yrs | B) 4 yrs |

C) 8 yrs | D) 2 yrs |

Explanation:

Let the present age of Deepa = 5p

Let the present age of Hyma = 6p

After four years their ratio = 6 : 7

=> $\frac{\mathbf{5}\mathbf{p}\mathbf{}\mathbf{+}\mathbf{}\mathbf{4}}{\mathbf{6}\mathbf{p}\mathbf{}\mathbf{+}\mathbf{}\mathbf{4}}\mathbf{}\mathbf{=}\mathbf{}\frac{\mathbf{6}}{\mathbf{7}}$

=> 35p + 28 = 36p + 24

=> p = 4

**Therefore,** the difference between their ages** = 24 - 20 = 4 years.**

A) a multi barrel rocket launcher developed by DRDO | B) a rocket launcher developed by France |

C) a missile developed by DRDO | D) a missile imported from Russia |

Explanation:

**1.** Pinaka is a multi barrel rocket launcher developed by the Defence Research and Development Organisation (DRDO) for the Indian Army.

**2.** The system has a maximum range of 40 km for Mark-I and 75 km for Mark-II, and can fire a salvo of 12 rockets in 44 seconds.

**3.** The system is mounted on a Tatra truck for mobility.

**4.** Actually, the meaning of Pinaka is Shiv Dhanush.

A) Brahmaputra | B) Godavari |

C) Ganga | D) Bhagirathi |

Explanation:

Tehri dam is located on the river **Bhagirathi**.

- It is a multi-purpose rock and earth-fill embankment dam on the Bhagirathi River near Tehri in Uttarakhand, India.

- It is the primary dam of the THDC India Ltd. and the Tehri hydroelectric complex.

A) Datasheet | B) Spreadsheet |

C) Database | D) Utility File |

A) 2520 | B) 5040 |

C) 1260 | D) None |

Explanation:

The **7** letters word 'POVERTY' be arranged in $\mathbf{7}{\mathit{P}}_{\mathbf{7}}$ ways = 7! = 5040 ways.