Question

Very short answer type questions:
1. Which is greatest 1/2 or 2/3?
2. Evaluate 2/3+32
3. Write in scientific notation 0.123
4.
d square foot of 2x2x7x7x5x5
6. Find the square root of 10000.
7. Find cube root of 64.
8. Which number is divisible by 11, (-1353) or 1107
9. Evaluate (12 x + 3xy)/(3x)
10. Factorize bm + bn
11. Solve for x:(7x+3) = (2x +13)
12. If CP. = €500, S.P. =3650. Find profit or loss percent.
(12x 1=12)
III Short answer type questions:
(10x 1.5=15)
1. Find 9 rational numbers between 2/3 and 3/4
2. Evaluate (2-5/2-8) x 23
3. Find square root of 42.25 by long division method.
4. Find cube root of 4.913
5. Divide (10 x+15x+15) by (10 x+5)
6. Factorise 2 x +5xy+4x+10y
7. Solve for x |-* (2x-1)] +12 = 1/(x-1)
8. Solve for y: 1.32 y+0.02 y = 1.19+y
9. A pair of jeans has a marked price of 1500. During sale, a discount of 30% is given
on the marked price. Find selling price.
10. Find three consecutive even numbers whose sum is equal to 42.
IV Long answer type questions:
(10 x 2.5=25)
1. Find he oot of (-1331/2744)
2. What is the smallest aumber that should be multiplied to 1536 to get a perfect cube?
3. Ifx+1/x = 3, find the value of x2+1/62
4. Find the value of 54 x 56 by using suitable identity
5. Factorize completely 32 +92 +6
6. Factorize x-x-2
7. Present ages of Anu and Raj are in the ration 4:5. Eight years from now the ratio of
their ages will be 5:6. Find their present ages.​

Answer 1

Answer:

1)1/2is greater

2)2/3+32/1=98/3