download Mastguru Android App

Question Detail

Simplify 586645 * 9999

  • 5865863355
  • 5665863355
  • 4865863355
  • 4665863355

Answer: Option A

Explanation:

Although it is a simple question, but the trick is to save time in solving this.
Rather than multiplying it we can do as follows:
586645 * (10000 - 1) = 5866450000 - 586645 = 5865863355

Similar Questions :

1. What least number should be added to 1056, so that the sum is completely divisible by 23

  • 4
  • 1
  • 2
  • 3

Answer: Option C

Explanation:

(1056 / 23) gives remainder 21

21 + 2 = 23, So we need to add 2

2. 1939392 * 625

  • 1212120010
  • 1212120000
  • 1212120011
  • 1212121010

Answer: Option B

Explanation:

Trick: when multiplying with 5n

then put n zeros to the right of multiplicand and divide the number with 2n

So using this we can solve this question in much less
time.
1939392×54=1939392000016=1212120000

3. 7589 - X = 3434

  • 4155
  • 2321
  • 3155
  • None of above

Answer: Option A

4. 587 * 999 = ?

  • 586411
  • 586413
  • 486411
  • 486413

Answer: Option B

Explanation:

Trick: 587 * (1000 - 1) = 587000 - 587 = 586413

5. A number when divided by 44, gives 432 as quotient and 0 as remainder. What will be the remainder when dividing the same number by 31

  • 5
  • 3
  • 4
  • 6

Answer: Option A

Explanation:

P ÷ 44 = 432

=> P = 432 * 44 = 19008

P / 31 = 19008 / 31 = 613, remainder = 5

Read more from - Numbers Questions Answers
Post a comment

  • Rahul Garg 9 years ago

    Answer a is not coming by your trick . Answer 586058355 is coming for the above question .

Mastguru Youtube Channel

Videos @mastguru

Free useful videos - Subscribe Mastguru
 

Get Free Current Affairs and Govt Jobs Alerts in your mailbox

To Appreciate Our Effort, Please Like Us

Quantitative Aptitude
English Aptitude
Reasoning Aptitude
Computer Awareness
General Knowledge
Current Affairs
IT Officer Aptitude
Programming Aptitude
Latest Govt Jobs