Question

A) What will be the multiplicative inverse of -50 ?
i)50 i)1/50 iii)-1/50 V)0
B) When a decimal number is multiplied by 10,100 or 1000, the digits
product are
as in the original number.
i) greater iisame iii)lesser iv)equal.
C) The product of 2/5 and 21/4 is
i) 1/2 ii)11/10 iii) 21/10 iv) 15/10.
D)30% is equivalent to
i)5:10 ii)3:10 iii) 3:1 iv)1:3
E) 80% of 40 is
i)32 ii)320 iii)3 iv)None of the above.
2. A submarine is situated at a depth of 630ft below the sea level. If it g
125ft further deep into the sea , what is the position of the submarine?
3. Multiply the following fractions -
a) 15/7 29/5x1/3 b)7/2x3/7x5/4
4. Divide the following fraction-
a)17/18=973
b)15/16+15/48
5. A bag of rice 25 kg. how much rice is contained in 600 bags?
6. The cost of 25 story books of the same kind is Rs 1784.75. Find the
each story books.​

Answer 1

Answer:

A - b

B - i

C - iii

D - ii

E - i

Step-by-step explanation:

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