31.2 * 14.5 * 9.6 = ________?

A. 4334.04
B. 4243.04
C. 4343.04
D. 4433.04

Explanation:

? = 4343.04

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
2758 + 20581 – 17889 = ________?
A. 178
B. 7850
C. 5200
D. 4800
43% of 784 = ________?
A. 312.73
B. 373.12
C. 337.12
D. 339.12
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
{20 – [7 – (3 -2)] + 1/3 (4.2)} / 1.4 = ________?
A. 11
B. 12
C. 14
D. 19
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