Mathematics

If x=139, y=274, x+y?

A 415
B 38086
C -135
D 413

(197+390)²?

A 37249
B 344569
C 190909
D 153660

Solve x/76=148. x?

A 11248
B 224
C 11249
D 11250

Solve x/40=76. x?

A 3040
B 116
C 3041
D 3042

If x+280=142, x?

A 39760
B 422
C -138
D 139

Solve x/168=332. x?

A 55776
B 500
C 55777
D 55778

(53+102)²?

A 2401
B 24025
C 13213
D 10812

If x=115, y=226, x+y?

A 343
B 25990
C -111
D 341

Mean of [233, 165, 97, 327, 407]?

A 247.8
B 245.8
C 243.8
D 407

Mean of [422, 291, 160, 579, 722]?

A 434.8
B 436.8
C 432.8
D 722

Mean of [368, 255, 142, 507, 632]?

A 378.8
B 382.8
C 380.8
D 632

Mean of [146, 107, 68, 211, 262]?

A 158.8
B 160.8
C 156.8
D 262

Mean of [74, 59, 44, 115, 142]?

A 86.8
B 88.8
C 84.8
D 142

Mean of [290, 203, 116, 403, 502]?

A 302.8
B 304.8
C 300.8
D 502

Mean of [200, 143, 86, 283, 352]?

A 210.8
B 214.8
C 212.8
D 352

Mean of [89, 69, 49, 135, 167]?

A 103.8
B 101.8
C 99.8
D 167

Mean of [359, 249, 139, 495, 617]?

A 617
B 373.8
C 369.8
D 371.8

Mean of [284, 199, 114, 395, 492]?

A 294.8
B 298.8
C 296.8
D 492

Mean of [308, 215, 122, 427, 532]?

A 318.8
B 322.8
C 320.8
D 532

Mean of [71, 57, 43, 111, 137]?

A 137
B 85.8
C 81.8
D 83.8

Mean of [419, 289, 159, 575, 717]?

A 717
B 433.8
C 429.8
D 431.8

Mean of [275, 193, 111, 383, 477]?

A 477
B 289.8
C 285.8
D 287.8

Mean of [383, 265, 147, 527, 657]?

A 657
B 397.8
C 393.8
D 395.8

Mean of [353, 245, 137, 487, 607]?

A 367.8
B 365.8
C 363.8
D 607

Mean of [404, 279, 154, 555, 692]?

A 414.8
B 418.8
C 416.8
D 692