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प्रश्न
Divide: –639 by –71
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उत्तर
–639 by –71
= `(-639)/-71`
= 9
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संबंधित प्रश्न
In a magic square each row, column and diagonal have the same sum. Check which of the following is a magic square.
1)
| 5 | -1 | -4 |
| -5 | -2 | 7 |
| 0 | 3 | -3 |
2)
| 1 | -10 | 0 |
| -4 | -3 | -2 |
| -6 | 4 | -7 |
Multiply: 29 by −11
Divide: 85 by −17
Fill in the blanks:
(......) ÷ 1 = −186
Write (T) for true and (F) for false for the following statement:
(−1) ÷ (−1) = −1
The predecessor of −99 is
Fill in the blank using <, = or > :
(–2) + (–5) + (–6) ______ (–3) + (–4) + (–6)
Remembering that 1AD came immediately after 1BC, while solving these problems take 1BC as –1 and 1AD as +1.
- The Greeco-Roman era, when Greece and Rome ruled Egypt started in the year 330 BC and ended in the year 395 AD. How long did this era last?
- Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?
- Turks ruled Egypt in the year 1517 AD and Queen Nefertis ruled Egypt about 2900 years before the Turks ruled. In what year did she rule?
- Greek mathematician Archimedes lived between 287 BC and 212 BC and Aristotle lived between 380 BC and 322 BC. Who lived during an earlier period?
Write two integers which are smaller than –6 but their difference is greater than –6.
An atom consists of charged particles called electrons and protons. Each proton has a charge of +1 and each electron has a charge of –1. Remember number of electrons is equal to number of protons, while answering these questions:
What will be the charge on an atom if it loses an electron?
