1. If 2805 ÷ 2.55 = 1100, then 280.5 ÷ 25.5 is:
(a) 111
(b) 1.1
(c) 0.11
(d) 11

2. The value of 213 + 2.013 + 0.213 + 2.0013 is:
(a) 217.2273
(b) 21.8893
(c) 217.32
(d) 3.217.32

3. The numerator of a non-zero rational number is five less than the denominator. If the denominator is increased by eight and the numerator is doubled, then again we get the same rational number. The required rational number is:
(a) 1/8
(b) 4/9
(c) 2/8
(d) 3/8

4. A fraction becomes 2 when 1 is added to both the numerator and the denominator and it becomes 3 when 1 is subtracted from both numerator and denominator. The numerator of the given fraction is:
(a) 7
(b) 5
(c) 3
(d) 8

5. What approximate value should come in place of z in the following question? 24² + 2.4² + 0.24² + 0.024² = z
(a) 670
(b) 575
(c) 580
(d) 680

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