Fractions

Q.

Ila read $25$ pages of a book containing $100$ pages. Lalita read $\frac{2}{5}$ of the same book. Who reads less?

Q.

Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled?

1. 2

2. 3

3. 3.5

4. 4

Q. $\text{If 3 kg of sugar contains}9\times {10}^8\text{crystals. How many sugar crystals are there in 4 kg of sugar?}$

Q. Deepak bought 3 shirts, 2 jeans and 4 pairs of shoes for his birthday. In how many different ways can Deepak wear a dress on his birthday?

1. 3
2. 12
3. 24
4. 2

Q.

Question 65

l varies directly as m and l =5, when $m=\frac{2}{3}$. Find l when m $=\frac{16}{3}$

Q. Ramesh bought 2 shirts, 4 jeans and 5 pairs of shoes for his birthday. In how many different ways can Ramesh wear a dress on his birthday?

1. 4
2. 5
3. 20
4. 40

Q. Which of the following statements is true ?

1. Fractions with the same numerator are called like fractions
2. Fractions with the same denominator are called unlike fractions
3. Difference of two like fractions
   $=\frac{Differenceofnumerators}{Commondenominator}$
4. A fraction with the numerator greater than or equal to the denominator is called a proper fraction

Q.

Question 106(i)

The food table is given below information about 2 types of soup cream of tomato and sweet corn. Use these lables to answer the given questions. (all the serving are based on a 2000 calories diet.)
Which can be measured more accurately the total amount of fat in cream of tomato soup or the total amount of fat in sweet corn soup ? Explain.

Q. Which of the following is a numerical expression?

1. 2x + 3
2. 6y + 75y
3. 65 + 47
4. 3x

Q.

Find the sum:

$\frac{-13}{-11}$ + $\frac{5}{9}$

Q. $\text{If 3 kg of sugar contains}9\times {10}^8\text{crystals. How many sugar crystals are there in 4 kg of sugar?}$

Q.

Question 106(iii)

The food table is given below information about 2 types of soup cream of tomato and sweet corn. Use these lables to answer the given questions. (all the serving are based on a 2000 calories diet.)
Find the increase per cent of sugar consumed, if cream of tomato soup is chosen over sweet corn soup.

Q. By selling $100$ mangoes, a fruit seller gains the $C.P$. of $20$ mangoes Find his $gain\%$

Q.

The figure below shows a circle divided into 3 equal parts. The shaded region corresponds to ${\frac{2}{3}}^{rd}$ of the circle. If the unshaded region corresponds to ${\frac{a}{3}}^{rd}$ of the circle. Then, the value of '$a$' is ___ .

Q. Write $10$ equivalent rational numbers for $\frac{1}{2}$

Q. Smita made a large chocolate cake. She gave $\frac{1}{2}$ of the cake to her daughter, $\frac{1}{3}$ to her son, 3 pieces to her son's friend and $2$ pieces to her daughter's friend. Find the total number of pieces she divided the cake into and her son's and daughter's shares.

Q. A fruit-seller sells $4$ oranges for Rs. $3$, gaining $50\%$.

Q. Question 3
72% of 25 students are good in mathematics. How many are not good in mathematics?