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प्रश्न
A person lost 4800 calories in 30 days. If the calory loss is uniform, calculate the loss of calory per day
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उत्तर
Loss of calory in 30 days = 4800
∴ Loss of calory in 1 day = `4800/30` = 160 calories
∴ 160 calories lost per day.
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संबंधित प्रश्न
Evaluate the following:
13 ÷ [(–2) + 1]
Evaluate the following:
[(–36) ÷ 12] ÷ 3
Verify that a ÷ (b + c) ≠ (a ÷ b) + (a ÷ c) for the following values of a, b and c.
a = 12, b = −4, c = 2
Solve:
(−150) ÷ (−25)
The fish in the pond below, carry some numbers. Choose any 4 pairs and carry out four multiplications with those numbers. Now, choose four other pairs and carry out divisions with these numbers.
For example,
- (–13) × (–15) = 195
- (–24) ÷ 9 = `(-24)/9 = (-8)/3`
An elevator descends into a mine shaft at the rate of 5 m/min. If the descent starts from 15 m above the ground level, how long will it take to reach −250 m?
______ ÷ (–10) = 0
(–225) ÷ 5 = ______.
a ÷ (–b) = –(a ÷ b)
Multiplication fact (–8) × (–10) = 80 is same as division fact 80 ÷ (–8) = (–10)
