MABS Institution
7th Mathematics Monthly Test - 1(Number System)-Aug 2020
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Sita saved ` 225.00 and she has spent ` 400 on credit basis for the purchase of stationery. Find her due amount.
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Divide: (i) (−85) by 5 (ii) (–250) by (–25) (iii) 120 by (–6) (iv) 182 by (–2)
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(i) Are 120 + 51 and 51 + 120 equal?
(ii) Are(-5)+[(-4)+(-3)] and [(-5)+(-4)]+(-3)equal? -
Find the value of :
(i) (-35)\(\times \) (-11) (ii) 96\(\times \)(-20) (iii) (-5)\(\times \)12 (iv) 15\(\times \) 5 (v) 999\(\times \)0 -
Add the following integers using number line (i) 10 and –15 (ii) –7 and –9
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Add: (i) (–70) and (–12) (ii) 103 and 39.
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A fruit seller sold 5kg of mangoes at a profit of ₹ 15 per kg and 3kg of apples at a loss of ₹ 30 per kg. Find whether it is a profit or loss.
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Are (–42) × (–7) and (–7) × (–42) equal? Mention the property.
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(i) Subtract (−40) from 70 (ii) Subtract (-12) from (-20)
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Subtract the following using the number line.
(i) –3 – (–2) (ii) +6 – (–5) -
The temperature at Srinagar was −3°C on Friday. If the temperature decreases by 1°C next day, then what is the temperature on that day?
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Prove that (–7) × (+8) is an integer and mention the property.
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Chitra has ₹ 150. She wanted to buy a bag which costs ₹ 225. How much money does she need to borrow from her friend?