Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 7)
7.
(935421 x 625) = ?
Answer: Option
Explanation:
| 935421 x 625 = 935421 x 54 = 935421 x |  |
10 |  |
4 |
| 2 |
| = | 935421 x 104 | = | 9354210000 |
| 24 | 16 |
= 584638125
Discussion:
35 comments Page 1 of 4.
Sipu said:
1 year ago
9 + 3 + 5 + 4 + 2 + 1 = 24.
625 = 6 + 2 + 5 = 13.
24 * 13 = 312 = 3 + 1 + 2 = 6.
Opt B = 5 + 8 + 4 + 6 + 3 + 8 +1 + 2 + 5 = 42 = 4 + 2 = 6.
Hence, Option B is the answer.
625 = 6 + 2 + 5 = 13.
24 * 13 = 312 = 3 + 1 + 2 = 6.
Opt B = 5 + 8 + 4 + 6 + 3 + 8 +1 + 2 + 5 = 42 = 4 + 2 = 6.
Hence, Option B is the answer.
(37)
Padagala Murali krishna said:
4 years ago
By using the digital sum method you simply solve that question 935421*625 = ?.
Digital sum of 935421 = 6.
And the digital sum of 625 = 4.
Multiply both digital sums of 935421 and 625 because in the question we have a multiplication symbol then 6*4 is 24 digital sum of 24 is 6.
So, verify in the options there is option B is having digital is 6.
Digital sum of 935421 = 6.
And the digital sum of 625 = 4.
Multiply both digital sums of 935421 and 625 because in the question we have a multiplication symbol then 6*4 is 24 digital sum of 24 is 6.
So, verify in the options there is option B is having digital is 6.
(23)
Ankita said:
3 years ago
@Raju.
Can you please confirm?
Here I found 6 in both options-in B and in D also.
Can you please confirm?
Here I found 6 in both options-in B and in D also.
(13)
Manu said:
3 years ago
935421 * 25 = 23385525.
23385525 * 25 = 584638125.
23385525 * 25 = 584638125.
(5)
Prasanna said:
8 months ago
The digit sum of 585628125 is also 6.
How can we choose only B? Please explain.
How can we choose only B? Please explain.
(3)
Raju said:
9 years ago
By logic.
9 + 3 + 5 + 4 + 2 + 1 * 6 + 2 + 5 = 24 + 13,
==> 2 + 4 * 1 + 3 = 6 x 4,
==> 24 = 2 + 4 = 6.
1. 5 + 7 + 5 + 6 + 4 + 8 + 1 + 2 + 5 = 43 => 4 + 3 = 7.
2. 5 + 8 + 4 + 6 + 3 + 8 + 1 + 2 + 5 = 42 => 4 + 2 = 6.
So, option 2 satisfy with the given expression.
Therefore, option 2 is the answer.
9 + 3 + 5 + 4 + 2 + 1 * 6 + 2 + 5 = 24 + 13,
==> 2 + 4 * 1 + 3 = 6 x 4,
==> 24 = 2 + 4 = 6.
1. 5 + 7 + 5 + 6 + 4 + 8 + 1 + 2 + 5 = 43 => 4 + 3 = 7.
2. 5 + 8 + 4 + 6 + 3 + 8 + 1 + 2 + 5 = 42 => 4 + 2 = 6.
So, option 2 satisfy with the given expression.
Therefore, option 2 is the answer.
(3)
Esak said:
3 years ago
Very helpful, thanks for the answer @Raju.
(2)
Chinmayi said:
7 years ago
@Raju.
Option 4 also satisfy with given expression.
5+8+5+6+2+8+1+2+5 => 4+2 => 6.
Then how to choose the correct answer?
Option 4 also satisfy with given expression.
5+8+5+6+2+8+1+2+5 => 4+2 => 6.
Then how to choose the correct answer?
(2)
Vignesh said:
1 decade ago
935421* (600+20+5).
935421*6 = 5612526 add two 0 in end 561252600. -----A.
935421*2 = 1870842 add one 0 in end 18708420. ------B.
935421*5 = 4677105. -----C.
A+B+C = 584638125.
935421*6 = 5612526 add two 0 in end 561252600. -----A.
935421*2 = 1870842 add one 0 in end 18708420. ------B.
935421*5 = 4677105. -----C.
A+B+C = 584638125.
(2)
Priyanka said:
1 decade ago
From where did (10/2)^4 came?
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers