### Quantitative Aptitude

## CLOCK MCQs

### Total Questions : 41

**Page 1 of 3 pages**

**A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is:**

__Question 4.__- $$59\frac{7}{{12}}$$ min. past 3
- 4 p.m.
- $$58\frac{7}{{11}}$$ min. past 3
- $$2\frac{3}{{11}}$$ min. past 4

**Answer: Option B**

### At What Time Between 3am And 4am Will The Hands Of The Clock Meet Each Other?

To be coincident, it must gain 15 minute spaces. 55 minutes are gained in 60 minutes. So, the needles will coincide each other at 16 past 3. Hence, '16 is the correct answer.

### How Many Zeptoseconds Are In A Second?

A zeptosecond is a trillionth of a billionth of a second, or a decimal point followed by 20 zeroes and a 1.

### How Many Seconds Are In January?

Month | Number of Days | Number of Seconds |
---|---|---|

January | 31 | 2,678,400 |

February | 28 | 2,419,200 |

February | 29 | 2,505,600 |

March | 31 | 2,678,400 |

### Is The Small Hand On The Clock The Hour?

The big hand is the minute hand and the small hand is the hour hand. When the minute hand is pointing to 12 it is O'clock.

### What Are The Numbers On The Clock Called?

Clocks can indicate the hour with Roman numerals or Hindu–Arabic numerals, or with non-numeric indicator marks. The two numbering systems have also been used in combination, with the prior indicating the hour and the latter the minute. Longcase clocks (grandfather clocks) typically use Roman numerals for the hours.

### What Does The Short Hand Tell?

The short hand is the hour hand. It points to the current hour. The long hand is the minute hand.

### What Is The Short Hand On A Clock?

The small hand on a clock that shows the hours. It goes once around the clock every 12 hours (half a day). Example: in the clock on the left, the hour hand is just past the "8" so you know the time is just past "8 o'clock"

### What Is The Time Between 4 Pm And 5 Pm?

Between 4 and 5 o 'clock the hands of the clock will be at right angle once. When the two hands are at right angles, they are 15 minutes space apart.

### What Time Between 5 And 6 Are The Hands 3 Min Apart?

Here, H = 5 and M = 3. ∴ The hands will be 3 minutes apart at 315/11 minutes past 5 and 24 minutes past 5 O'clock.

### Why Minute Hand Is Longer Than Hour Hand?

Minute Hand is longer than Hour Hand because: This gives us precision since we need to point to 4 divisions between any two numbers to get the exact time in minutes. While in the case of Hour Hand one just has to just point at the number for us to get the Hour so it's easy to identify that even with a smaller Hand.

### How Many Seconds Are There In A Year 12?

One year would equal 365 times 24 times 60 times 60 seconds…or 31,536,000 seconds! That's over 31 million seconds you have to spend over the next year.

### What Is 1 Second Equal To?

The second (abbreviation, s or sec) is the Standard International ( SI ) unit of time. One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 atom. There are other expressions for the second.

### What Is The Long And Short Hand Of A Clock Called?

The short hand shows the hours and is called the hour hand. The long hand shows the minutes and is called the minute hand. The face of the clock is called the dial.

### Where Will The Hand Of The Clock Stop If It A Starts At 4 And Makes ¼ Of The Revolution Clockwise?

The hand of the clock will stop at 7 if started from 4 in clockwise direction to make 1/4 rotation.

### Which Direction Will You Face If You Start Facing South And Make 1/4 Of A Revolution Clockwise?

When we start facing the South and make one full revolution, again we will face the South direction. In case of revolving 1 complete revolution, either clockwise or anti-clockwise we will be back at the original position.

### How Does A Modern Clock Work?

The timekeeping element in every modern clock is a harmonic oscillator, a physical object (resonator) that vibrates or oscillates at a particular frequency. This object can be a pendulum, a tuning fork, a quartz crystal, or the vibration of electrons in atoms as they emit microwaves.

### How Is A Clock Accurate?

Atomic clocks are so accurate that they will lose one second approximately every 100 million years; for reference, the average quartz clock will lose one second every couple of years. On the other hand, Ye's optical lattice clock will lose one second every 15 billion years, making it the world's most accurate clock.

### How Many Equal Parts Are There In A Dial Of A Clock?

One is for Hours Hands, second one is Minutes Hands and third one is Seconds Hands. For Hours Hands have equal parts and hours is equal to minutes.

### How Does A Clock Escapement Work?

The escapement is a mechanism in a mechanical clock that maintains the swing of the pendulum by giving it a small push each swing, and allows the clock's wheels to advance a fixed amount with each swing, moving the clock's hands forward.

### How Does Pendulum Clock Works?

Each swing of the pendulum a pallet releases a tooth of the escape wheel. The wheel rotates forward a fixed amount until a tooth catches on the other pallet. These releases allow the clock's wheel train to advance a fixed amount with each swing, moving the hands forward at a constant rate, controlled by the pendulum.

### How Many Divisions Are There In A Clock?

There are 60 divisions in a clock or 12 division.

### How Many Dots Are On A Clock?

Most modern clocks have the numbers 1 through 12 printed at equally spaced intervals around the periphery of the face with the 12 at the top, indicating the hour, and on many models, sixty dots or lines evenly spaced in a ring around the outside of the dial, indicating minutes and seconds.

### How Many Minutes Does The Minute Hand Take To Go From 12 To 2?

As we know that Minute hand takes 5 minutes to move from one number to the other.

### Is Clock A Fibonacci?

The clock works by combining a spiral arm, designed using a Golden Ratio rectangle or a rectangle comprising contiguous squares whose sides are Fibonacci numbers (i.e. the same thing).

### What Is A Fibonacci Spiral Clock?

This unusual clock tells the time with a spiral arm. To add a little mathematical beauty, the arm is a Fibonacci spiral meaning the line moves further from the centre by a factor of 1.618 (the Golden Ratio) for every quarter turn.

### What Is A Clock Crutch?

The crutch is the thin brass rod that connects the escapement to the pendulum. It extends from the upper part of the clock movement down along the pendulum suspension rod and loops once around the suspension rod at its bottom point.

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