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
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Your Answer
-
AartiAT
- 10 जून
Answer of this question is OPTION 4
Explanation:
(280 x n)/100 + (550 x 18)/100 = 143.8
280 x n + 9900 = 143.8 x 100
280 x n + 9900 = 14380
280 x n = 14380 – 9900
n = 4480/280
n = 16
Hence answer is Option (4) 16
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