Class X

xb (b + c - a) . xc (c + a - b) . xa (a + b - c) = ? xc xa xb
  1. xabc
  2. 1
  3. xab + bc + ca
  4. xa + b + c
The value of [(10)150 ÷ (10)146]
  1. 1000
  2. 10000
  3. 100000
  4. 106
If 3(x - y) = 27 and 3(x + y) = 243, then x is equal to:
  1. 0
  2. 2
  3. 4
  4. 6
(17)3.5 x (17)? = 178
  1. . 2.29
  2. 2.75
  3. 4.25
  4. 4.5
(25)7.5 x (5)2.5 ÷ (125)1.5 = 5?
  1. 8.5
  2. 13
  3. 16
  4. 17.5
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