What should come in place of the question mark (?) in the following questions?
?% of 280 + 18% of 550 = 143.8 (a) 11 (b) 18 (c) 21 (d) 16 (e) None of these
- Deepshikha
- 28 जून
- 23468 दृश्य
- 533 उत्तर
Your Answer
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Deepshikha
- 10 जून
Answer will be Option (4) as
(280 x ?)/100 + (550 x 18)/100 = 143.8
280 x ? + 9900 = 143.8 x 100
280 x ? + 9900 = 14380
280 x ? = 14380 – 9900
? = 4480/280
? = 16
Hence answer is Option (4) i.e., 16
