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? = [37–(–6)] +[11–(–32)]
= (37+6) +(11+32) = 43 + 43 = 86
The sum of two integers is –27. If one of them is 265 then what is the other?
265 + x = –27
⇒ x = 27  265 = 292
37(1070+813)
= 37 – (–257) = 37+257 =294
Successor of –99 = –99+1= –98
Predecessor of –79 = –79–1 = –80
Required sum = (–23) + 62 + (–57) + 13
= –23 + 62 – 57 + 13
= – 80 + 75 = –5
5 – 2 – 7 + 6 = 11 – 9 = 2
–2 – 7 + 3 + 6 – 9 + 11
= –18 + 20 = 2
If –5 is added to 12 and result is subtracted from –7. Which number is obtained?
Required result = –7 – (–5 + 12)
= –7 – 7 = –14
Amir had Rs 28760 in his bank account and his wife Laxmi had a debt of ` 12380. What was their combined net balance?
Net balance = 28760 – 12380 = Rs 16380
–5 – 26 + 17 = –31 + 17=– 14 = 14
57 + x = –79 ⇒ x = –79 –57 = –136
Subtract –2473 from the difference of 5396 and 7896.
(7896–5396) – (–2473)
= 2500 + 2473 = 4973
What we will get when –49 is added to the difference of 72 and –99?
– 49 + (72 – (– 99)]
= –49 + (72 + 99)
= –49 + 171 = 122
What is the value of 1 + (–473) + (–375) + (–383) + (–283) + 1700
Required value
= 1701– 473 – 375 – 383 – 283
= 1701 – 1514 = 187
The sum of two integers is –307. If one of them is –173 what is the other ?
–173 + x = – 307
⇒ x = –307 + 173
⇒ x = –134
Required value
= (–705 – 317) + (487 + 265)
= –1022 + 752 = – 270
Find the sum of predecessor of (–1709) and the successor of (–2305).
Predecessor of –1709 = –1710
Successor of –2305 = – 2304
∴ Sum of 1710 & – 2304 = –4014
Find the difference of negative of highest three digit number and smallest four digit number.
Required difference
1000 – (–999) = 1000 + 999 = 1999
43 tests

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43 tests









