ANSWERS
1–Option A
4530 – 132 * 328 ÷ 16 = ? * 12
=> 4530 – 2706 = ? * 12
=> ? = 1824/12 = 152
2–Option A
(5*7)% of (34*55) + 456.60 = 699.1 + ?
=> [(34*55*5*7)/100] + 456.60 = 699.1 + ?
=> 1111.1 = 699.1 + ?
=> ? = 1111.1 – 699.1 = 412
3–Option A
4–Option C
24 × 48 ÷ (24) + 28 × 13 = x
24 × 2 + 28 × 13 = x
5–Option A
2+ 3 – 4 + 3 -2 + (1/4 + 5/6 – 1/5 + 2/3 – 3/10)
= 2 + 15/12 = 2 + 1 + 3/12 = 3 + 1/4 = 3 1/4
6–Option B
23* 8040 + 42 * 545 = ? * 3000
=> 184920 + 22890 = ? * 3000
=> ? = 207810/3000
=> ? = 69.27
7–Option D
√(?) = 20440÷640 = 31.99 = 32 = 32×32 = 1084
8– Option C
37 × 13 + 60 – 81 = 460
9–Option C
1000/ 25 = ? – 235
40 = ? – 235
? = 235+40 = 275
10–Option C
189 + 37 – 141 = 85