Instructions

For the following questions answer them individually

Q 1

The total surface area of a solid hemisphere is 1039.5 cm$$^2$$ . The volume(in cm$$^3$$) of the hemisphere is: (Take $$\pi = \frac{22}{7}$$)

Q 2

Let x be the least number of 4 digits that when divided by 2, 3, 4, 5, 6 and 7 leaves a remainder of 1 in each case. If x lies between 2000 and 2500, then what is the sum of the digits of x?

Q 3

Study the bar graph and answer the question.

The ratio of the number of neon lamps having a life of 900 hours or more to the number of lamps having life less than 700 hours is:

Q 4

A, B and started a business with their capitals in the ratio 4 : 2 : 9. At the end of every quarter, A halves his capital, whereas B doubles his capital and C leaves his capital unchanged. If at the end of a year, A’s profit was ₹24,000, then what is the total profit (in ₹) is

Q 5

The speed of two railway enginesis in the ratio 5 : 4. If they moveonparallel tracks in the same direction and if the slower engine is ahead of the faster engine by 8 km when the latter starts, then how far will the faster engine have to travel before it overtakes the slower one?

# | Name | Overall Score |
---|---|---|

1 | Adil Sheikh | 5 |

2 | Charanraj Parichendi | 5 |

3 | P.v.jithendrasaikumar | 5 |

4 | DIPAK | 5 |

5 | Dharani Kanth | 4 |

6 | k | 4 |

7 | Karthik Karthik. | 3 |

8 | Ravikiran | 3 |

9 | harry rascle | 3 |

10 | Anirudhdho Mondal | 3 |