# Speed Improvement Test - Day 1

Recommended Time : 15 Mins

## << Read Shortcut Techniques Here

1. 12345 + 34567 + 78123 + 40249 = ?
2. 51241 + 64172 + 81496 + 34567 = ?
3. 19876 + 64321 + 19283 + 40091 = ?
4. 91274 - 40362 + 54321 - 65409 = ?
5. 10568 + 5432 + 246 - 8432 - 4169 = ?

### Fractions

1. Find the largest of the following fractions (17/23), (27/33), (37/43), (47/53)
2. Find the smallest of the following fractions (20/81), (3/8), (9/43),  (1/4)
3. Find the value of X             (123/X) =  (456/80)
4. Find the value of Y             (71/87) =  (97/Y)

### Multiplications

1. 1342 X 6471 = ?
2. 712 X 642 = ?
3. 36 X 8109 = ?
4. 309 X 701 = ?

### Percentages

1. 13% of 29 = ?
2. 18% of 91 = ?
3. What percentage of 161 is 89 ?
4. What percentage of 2079 is 256 ?
5. Find 23.76% of 160
6. Find the LCM of 21, 91, 63
7. Find the HCF of  (30/9),  (20/16),  (15/25)

## Key

1. 165284
2. 231476
3. 143571
4. 39824
5. 3645

1. 47/53
2. 9/43
3. X = 21.58
4. Y = 118.825

1. 8684082
2. 457104
3. 291924
4. 216609

### Percentages

1. 3.77
2. 16.38
3. 55.28%
4. 12.3%
5. 38
6. 819
7. 1/720 1. good work indeed.

1. Thank you So much Sir :)

2. 3. u've given the answers thats fine but how to find the correct answer for fractions, value of percentage? we have no idea about that, so please send the solutions also to practice so that we can get idea!

1. At the top of this page there is a link named "read shortcut techniques here", you might not have observed that Ramya. Just check that link, we've already updated shortcuts on factions and percentages with detailed explanations.

All The Best

4. man your giving a fine support to the aspirants. but I found a key mistake in multiplication for 301* 709 value is 216609 instead of that in key it was given as 3216609

1. Its a typing mistake Revanth. Corrected now. Thank you so much for the support :)

5. If there is some explanation for some problems, it is much better..
Thanks.

6. Awesomw work done...no need of coaching centres....thanks

7. Can I know shortcut to multiply 1.1342*6471
2. 36*8109
3. 712*642
I searched here but didnt find shortcuts for solving these type of questions.

8. u did'nt let us know the concept of multiplication of 4 digits,,then how can i
do that..please publish these concepts. thank you.

9. 10. thanks mam

11. jlkkl;k;lk;lk;lklk

12. Please tell me how to do these problems in less time.
1) 5687*6549
2)5687*76
3)564*68
4)find the value of X (578/X=89/65)
4)

13. Nice work Mam !

14. The answer for the HCF one ( last question ) should be 1/60.
As HCF = ( HCF of numerators/LCM of denominators).

15. 642*712
=> 642(700+12)
=>449400+7704=457104.