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Start learning 50% faster. Sign in nowScientists, including one of Indian origin, have developed an ultra-thin device that can power your smartphone, fitness tracker and other gadgets using human movements such as walking and waving. Based on battery technology, and made from layers of black phosphorus that are only a few atoms thick, the energy harvesting system generates small amounts of electricity when it is bent or pressed even at the extremely low frequencies characteristic of human motion.
19 × ? = 361 ÷ 19
What will come in the place of question mark (?) in the given expression?
48 ÷ 4 × (3 + 5) – 6² + 10 = ?
323 × 15 + (?)² = 4989
(23 × 8) – (13 × 5) + 67 =? x 6
Determine the simplified value of the given mathematical expression.
25% of 1000 + 10% of 150 – 22 × ? = 45
∛157464 =?
2.4 of 7.2 of 1/57.6 of 4200 = ?
72 x 60 x 22 x 32 =?