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GATE Questions

A) Only a is sufficient | B) Neither a nor b is sufficient |

C) Only b is sufficient | D) Both a and b sufficient |

Explanation:

Given Pranay's profit in the share is Rs. 8750

But given that their investments are in the ratio 2:4:7

= 8750

P = 16250

Now Anand's share = =Rs.5000

Thus both staements a and b are sufficient to answer this question.

A) 5 degrees | B) 10 degrees |

C) 15 degrees | D) 25 degrees |

Explanation:

Since at 4 : 20 the minute hand will be at 4 and the angle between them will be same as the distance covered in degree by the hour hand in 20 minutes.

Required angle = distance of hour hand = speed × time = × 20 =10 degrees.

A) Rs.2010 | B) Rs.2200 |

C) Rs.2000 | D) Rs.2100 |

Explanation:

Let money invested by Raghu = Rs. x

Money invested by Trishul = 9/10 x = 0.9x

Money invested by Vishal = 9/10x * 110/100 = 0.99x

Also, x+0.9x+0.99x = 5780

= x= 5780/2.89 = 2000

Therefore, amount invested by Raghu is Rs. 2000.

A) Rs. 21812.5 | B) Rs. 31245.7 |

C) Rs. 24315.5 | D) Rs. 20000 |

Explanation:

Let the amount invested at 6% be Rs. P and that invested at 10% be Rs. (25000-P).

Then,

P = Rs. 21812.5

A) 5 kmph | B) 10 kmph |

C) 15 kmph | D) 45 kmph |

Explanation:

Speed of the boat downstream =

Speed of the boat upstream

The speed of the stream = .