Question
A car is traveling at a speed of 144 km/hr. The car's
tires have a diameter of 70 m. How long will it take for the car to complete 12 revolutions of its tires?Solution
ATQ, Speed of the tyre = 144 × (5/18) = 40 m/s Circumference of the tyre = 2πr = 2 × (22/7) × (70/2) = 220 metres Time taken by the tyre to make 12 revolution = 12 × (220/40) = 66 seconds
Simplify the expression:
(4x² - 16) / (2x - 4)
139 + 323 – √169 + ? = 450
9999² + 1111² =?
20% of 240 + 18% of 200 = ?
4(1/3) × 2(11/14) = 50% of ? + 86/11
- What will come in place of (?), in the given expression.
√2025 + 35% of 400 = ? Find the value of the expression:
18 + 12 – 4 × [22 + 6 – 2 × (38 – 23)]Simplify the following questions:
(11) 8.5 × (121) 5.5 ÷ (1331) 5.5 = (11) ? Â
...135 ÷ 3 of 5 = ? - 112
What will come in the place of question mark (?) in the given expression?
412 + 25% of 2400 = ? + 1131