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.
Priyanka said:
1 decade ago
From where did (10/2)^4 came?
(1)
Gokul said:
1 decade ago
We simply write (5) as 10/2...... (10/2=5)
Mahesh babu said:
1 decade ago
Is there any short cut for this. If there please let me know.
ALBRET said:
1 decade ago
625=5^4 MEANS 5*5*5*5= 5^4
Meenu said:
1 decade ago
935421* (600+20+5).
935421*600=561252600.
935421*20=18708420.
935421*5=4677105.
(561252600+18708420+4677105) =584638125 answer.
935421*600=561252600.
935421*20=18708420.
935421*5=4677105.
(561252600+18708420+4677105) =584638125 answer.
Nazish Amam said:
1 decade ago
(900000+30000+5000+400+20+1)*625
=562500000+18750000+3125000+250000+12500+625
=584638125
=562500000+18750000+3125000+250000+12500+625
=584638125
(1)
Dr R Vasudevan said:
1 decade ago
625 - use familiar 6.25 %, which is 100/16 ( like 12.5 = 100/8)(3.125% = 100/32).
Rest is as given in the top "EXPLANATION" 935421*10000/16 = 584638125.
Rest is as given in the top "EXPLANATION" 935421*10000/16 = 584638125.
Malay biitm bbsr said:
1 decade ago
1st step: 935421*100 = 93542100.
2nd step: 93542100*6 = 5161252600.
3rd step: 93542100/4 = 23385525.
4th step: 561252600 + 23385525 = 584638125(Answer).
2nd step: 93542100*6 = 5161252600.
3rd step: 93542100/4 = 23385525.
4th step: 561252600 + 23385525 = 584638125(Answer).
Banasree said:
1 decade ago
@Malay.
Why the no is divide by 4 in 3rd step? explain.
Why the no is divide by 4 in 3rd step? explain.
Cusat ,nitish said:
1 decade ago
935421* (600+20+5).
935421*600 = 561252600.
935421*20 = 18708420.
935421*5 = 4677105.
(561252600+18708420+4677105) = 584638125.
935421*600 = 561252600.
935421*20 = 18708420.
935421*5 = 4677105.
(561252600+18708420+4677105) = 584638125.
(1)
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