12
6
4
10
None of these
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Answer : Option B
Explanation :
(450*6)/100 ÷ (250 * ?)/100 = 4.8
=> 72 ÷(5/2 * ?) = 4.8
=>72 ÷ (4.8 * 5/2) * ? = 4.8
=> ? = (72 * 2)/(4.8*5) = 6
102.18
122.81
120.18
112.81
Answer : Option A
? = (524 * 19.5)/100 = 102.18
√2500
√28
50
Answer : Option E
√? - 11 = √1521 = 39
2.5
1.5
20
Answer : Option D
? = 700/(70*0.5) = 20
168.27
126.72
128.27
162.72
? = 12.8 * 4.5 * 2.2 = 126.72
55 ÷ 5.5 - 0.5 = ?
11
19
? = 55/5.5 - 0.5 = 10 - 0.5 = 9.5
17
(253)4 * (25)6 ÷ (25)1 = 25? (25)12+6-1 = 25? ? = 17 [(am)n = amn am * an = am+n am ÷ an = am-n]
19.9
18.7
15.9
17.7
8059 - 7263 = ? * 40
=> 796 = ? * 40
=> ? = 796/40 = 19.9
203.1
213.1
205.1
215.1
4 * ? = 4062/5 = 812.4
=> ? = 812.4/4 = 203.1
122
111
222
212
? = 3.5 * 80/2.5 = 112
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