Question
Find the unit digit of (62375Â -
7).Solution
Cyclicity of 2 = 2, 4, 6, 8, 2 Hence, we can see the unit digit repeat themselves after every power of 4 So, unit digit of (62375Â - 7) = unit digit of (24Â XÂ 93 + 3Â - 7) = unit digit of (23Â - 7) = unit digit of (8 - 7) = 1
More No. System Questions
41.66% of 888 + 66.66% of 1176 = ?2 - 4√ 16 Â
Evaluate: 320 − {18 + 4 × (21 − 9)}
Simplify: 72 ÷ 6 × 3 − 8 + 4
118 × 6 + 13 + 83 = ?
Simplify the following expression:
  (400 +175) ² - (400 – 175) ² / (400 × 175)
150% of 850 ÷ 25 – 25 = ?% of (39312 ÷ 1512)
(75 + 0.25 × 10) × 4 = ?2 - 14
26% of 650 + 15% of 660 – 26% of 450 = ?
115% of 40 + 3 × 4 = ? × 11 – 8
