Science & Mathematics Topics
School level (Class 6–12) — Science & Mathematics
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quiz Questions
Q61
Evaluate: (10 + 30) × 9.
369
49
360
2700
Explanation
(10+30)×9 = 40×9 = 360.
Q62
Evaluate: (71 + 71) × 2.
144
10082
286
284
Explanation
(71+71)×2 = 142×2 = 284.
Q63
Evaluate: (43 + 18) × 2.
63
124
1548
122
Explanation
(43+18)×2 = 61×2 = 122.
Q64
Evaluate: (33 + 63) × 4.
388
8316
384
100
Explanation
(33+63)×4 = 96×4 = 384.
Q65
Evaluate: (78 + 76) × 3.
465
462
157
17784
Explanation
(78+76)×3 = 154×3 = 462.
Q66
Evaluate: (55 + 80) × 3.
138
408
405
13200
Explanation
(55+80)×3 = 135×3 = 405.
Q67
Evaluate: (32 + 67) × 7.
700
15008
106
693
Explanation
(32+67)×7 = 99×7 = 693.
Q68
Evaluate: (11 + 69) × 8.
6072
88
640
648
Explanation
(11+69)×8 = 80×8 = 640.
Q69
Evaluate: (47 + 25) × 2.
144
146
74
2350
Explanation
(47+25)×2 = 72×2 = 144.
Q70
Evaluate: (77 + 69) × 3.
149
441
15939
438
Explanation
(77+69)×3 = 146×3 = 438.