Question

Find value of ,where [.] is greatest integer function

• A. 31
• B. 22
• C. 23
• D. None

Answer 1

Answer: (A)

31

Answer 2

+ $\int _ { 0 } ^ { 9 } 2 \mathrm { dx }$

= $\int _ { 0 } ^ { 1 } 0 . d x + \int _ { 1 } ^ { 4 } d x + \int _ { 4 } ^ { a } 2 d x + 18$

= (4 – 1) + 2 (9 – 4) + 18

3 + 10 + 18 = 31