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GATE Questions

A) Rs. 5422 | B) Rs. 5489 |

C) Rs. 4511 | D) Rs. 6145 |

Explanation:

Now as per question, Karan invested for 12 months and Satish invested for 7 months.

So, Karan:Satish = (29000 x 12):(18000 x 7)

= 348:126

= 58:21

Satish Ratio in profit will be= $16970\times \frac{21}{79}$ = Rs. 4511

A) 64 | B) 69 |

C) 71 | D) 58 |

Explanation:

To find the greatest number which divides the numbers 964, 1238 and 1400 leaving the remainders 41, 31 and 51 is nothing but the HCF of (964 - 41), (1238 - 31), (1400 - 51).

Therefore, HCF of 923, 1207 and 1349 is 71.

A) 175 | B) 140 |

C) 135 | D) 95 |

Explanation:

x - 35 = 80x/100

=> x = 175

=> 4x/5 = 4x175/5 = 140.

A) 3:15 2/8 | B) 3:49 |

C) 3:49 1/11 | D) 3:51 |

Explanation:

On straight line means 180 degree angle.

180 = 11/2 min – 30 hrs

180 = 11/2 m – 30 × 3

180 = 11/2 m – 90

(180 + 90) 2 = 11 m

m = 540/11 = 49 1/11 minutes.

A) 625 | B) 525 |

C) 425 | D) 325 |

Explanation:

Given 40% minimum passing marks for boys = 483 + 117 = 600

=> 1% = 600/40

=> 100% = 600 x 100/40 = 1500

Minimum passing marks for girls = 35% of 1500 = 35 x 1500/100 = 525.

A) 25 | B) 22 |

C) 24 | D) 23 |

Explanation:

As month begins on Saturday, so 2nd, 9th, 16th, 23rd, 30th days will be Sundays. While 8th and 22nd days are second Saturdays. Thus, there are 7 holidays in all.

Hence, no. of working days = 30 – 7 =23

A) 19.32 % | B) 18.75 % |

C) 21.41 % | D) 22 % |

Explanation:

Prashanth sold a album for $ 735 and made a profit of 22.5% .

CP = 735 x 100/122.5 = Rs. 600

New CP = 600 + 120 = Rs. 720

New SP = 735 + 120 = Rs. 855.

Profit = Rs. 135.

profit % = 100 x 135/720 = 18.75%.

A) 10 : 27 : 41 AM | B) 8 : 51 : 04 AM |

C) 9 : 45 : 15 PM | D) 10 : 23 : 20 PM |

Explanation:

The watch gains 5 seconds in 3 minutes = 100 seconds in 1 hour.

From 8 AM to 10 PM on the same day, time passed is 14 hours.

In 14 hours, the watch would have gained 1400 seconds or 23 minutes 20 seconds.

So, when the correct time is 10 PM, the watch would show 10 : 23 : 20 PM