The ratio between the speeds of two trains is 7: 8. If the second train runs 440 km in 4 hours, then the speed of the first train is:
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4, 6, 12, 14, 28, 30, ?
4, 6, 12, 14, 28, 30, ? Mathematics Number series Numerical reasoning question answers
The sum of the ages of 3 people A, B, and C is 90 years. What would be the total of their ages 4 years back?
The sum of the ages of 3 people A, B, and C is 90 years. What would be the total of their ages 4 years back?
If ‘+’ means ‘÷’, ‘–‘ means ‘×’, ‘×’ means ‘+‘, ‘÷’ means ‘– ‘, given the value of 45 + 9 – 3 × 15 ÷ 2.
If ‘+’ means ‘÷’, ‘–‘ means ‘×’, ‘×’ means ‘+‘, ‘÷’ means ‘– ‘, given the value of 45 + 9 – 3 × 15 ÷ 2.