{20 - [7 - (3 -2)] + 1/3 (4.2)} / 1.4 = ________?

A. 11
B. 12
C. 14
D. 19

Explanation:

{20 – [7 – (3 -2)] + 1/3 (4.2)} / 1.4

=> [20 – (7 – 1) + 1.4] / 1.4
=> (20 – 6 + 1.4)/1.4 = 10 + 1 = 11

52 * 40.1 = ________?
A. 2080
B. 2480
C. 2260
D. 2380
(0.9 * 0.9 – 0.8 * 0.8)/1.7 = ________?
A. 0.1
B. 0.2
C. 0.3
D. 0.4
³√216400 + √280 + √322 = ________?
A. 651
B. 361
C. 100
D. 95
43% of 784 = ________?
A. 312.73
B. 373.12
C. 337.12
D. 339.12
31.2 * 14.5 * 9.6 = ________?
A. 4334.04
B. 4243.04
C. 4343.04
D. 4433.04
7394 – 1236 – 4652 = ________?
A. 1506
B. 1606
C. 1706
D. 1496
2222.2 + 222.22 + 22.222 = ________?
A. 2466.462
B. 2664.642
C. 2464.462
D. 2466.642
(49² * 18²) / 324 = ________?
A. 49
B. 98
C. 49²
D. 98²
7 + 1/2 of [8 – 4 / 2 * 3 – 1 + 1 + (4 + 2) – 2 * 2] = ________?
A. 9
B. 16
C. 8
D. 12
1/3 of 2/6 of 1/7 of 2/28 of 2140 = ________?
A. 4.92
B. 3.77
C. 3.01
D. 4.14

{20 – [7 – (3 -2)] + 1/3 (4.2)} / 1.4 = ________?