Short Answer Type Questions
2 Subtract 3x²+3xy+2y² from x²-5xy+6y²+1.
3 Show that the numbers 36,27,24,18 form a proportion.
4 Ashok and Sumit ran a 100m race. Ashok took seconds and Sumit took seconds. How much longer did Sumit take?
5 Tani purchased a book for ₹256.45 and a pen for ₹23.75. She gave a ₹1000 note to the shopkeeper, how much balance did she get back?
6 Find the third proportional to 8,32,17
7 Covert into ratio, 69.5%
step by step explanation
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Step-by-step explanation:
2.
(x²-5xy+6y²+1)-(3x²+3xy+2y²)
=x²-5xy+6y²+1-3x²-3xy-2y²
=-2x²-8xy+4y²+1
3. The numbers 36,27,24,18
All are Divisible by 3
12:9:8;6
4. Didn't Understand
5.
Tani 's Total Cost=256.45+23.75=280.20
Get back 1000-280.20=719.80
6.
8,32,17,x Proportion=1/4
8/32=17/x
1/4=17/x
x=17×4=68
7.
69.5/100=0.695
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