Multiplication

Q. Lipika reads a book for $1\frac{3}{4}$ hours every day. She read the entire book in 6 days. How many hours in all were required by her to read the book ?

Q.

Write an expression for sum of $x$ and $y$ divided by $6$.

Q.

Find the number y that is 3 less than the product of 8 and 3

Find the number x that is 5 times the difference between 16 and 4

Q. Nazia has 20 marbles. Reshma has $\frac{1}{5}$ of the number of marbles that Nazia has. How many many marbles does Reshma have?

Q. Sapna earns ₹ 32000/- per month. She spends $\frac{5}{8}$ of her income and deposits the rest of the money in a bank. How much money does she deposit in the bank each month.

Q.

'8x + 8y' equals

1. y > z

2. x > y

3. z > x

4. x > z

Q.

$2\times (x+2)+2\times \left(2\right)$ is equal to ______.

1. $2(x+2)$

2. $2(4x+4)$

3. $2(4x+2)$

4. $2(x+4)$

Q. A number when multiplied by 5 is increased by 80. The number is

(a) 15
(b) 20
(c) 25
(d) 30

Q.

$(9\times \frac{1}{5})+(9\times 5)=$ __________.

1. $2\times \frac{26}{5}$

2. $9\times \frac{26}{5}$

3. $9\times \frac{30}{5}$

4. $2\times \frac{16}{5}$

Q.

$(3\times \frac{1}{5})+(3\times 5)$ = __________

1. $3\times \frac{26}{5}$

2. $3\times \frac{36}{5}$

3. $7\times \frac{26}{5}$

4. $3\times \frac{26}{9}$

Q. The cost of 5 litres of milk is ₹55. Tabulate the cost of 2, 4, and 10 litres of milk.

Q.

If Alex eats $\frac{3}{4}$th pizza from plate 1, $\frac{7}{8}$th pizza from plate 2, and $\frac{6}{16}$th pizza from plate 3, then will he be able to qualify the round 1?

Q.

$(2\times \frac{1}{3})+(2\times 3)$ equals

1. 5

2. $\frac{20}{3}$

3. $\frac{22}{3}$

4. $\frac{17}{3}$

Q. Repeated addition is multiplication.

1. True
2. False

Q. Shaym bought a refrigerator for $Rs.5000$. He paid $\frac{1}{10}$ of the price in cash and the rest in $12$ equal monthly instalments. How much he had to pay each month?

Q.

Solving $(12.5\times 30)+(\frac{1}{5}\times 15)-(8\times 30)+(\frac{2}{5}\times 15)$, we get

1. 144

2. 156

3. 122

4. 135

Q. $x+x=x\times x$ is an unchanging relation.

1. True
2. False

Q.
$\underset{x\to 2+}{lim}\left\{\right[2-x]+[x-2\left]\right\}=?;\left(\right[x]$ is greatest integer function)

1. 0
2. -1
3. 1
4. does not exist

Q. 6x${}^2$y${}^2$ is an algebraic expression. What is its index ?

1. 3
2. 4
3. 1
4. 5

Q. What is the sum of the first five multiples of 7?

1. 90
2. 105
3. 110
4. 100

Q. A person wishes to make up as many different parties as he can out of his 20 friends such that each party consists of the same number of persons. How many friends should he invite ?

1. $10$
2. $15$
3. $20$
4. $25$

Q. If there are 50 mangoes in a box, how will you write the total number of mangoes in terms of the number of boxes? (Use b for the number of boxes.)
[1 mark]

Q. Sultana has Rs 5 less than Kiran. The two of them together have Rs 51.

Q. Find
$12.50-\frac{50}{3}\times \frac{1}{100}\times \frac{1250}{100}=?$

Q. A whole number is increased by $7$ and the new number so obtained is multiplied by $5$; the result is $45$.Find the number.

Q. How do you write $1.6$ as a percentage?

Q. If the cost of 5 red pens is ₹60. How much does 8 red pens cost?

Q. 12 x (-4) = ?

1. -48
2. 48
3. 36
4. -36

Q. Murali bought $73$ rolls of film. He can take $24$ pictures with each roll of film. What is the total number of pictures he can take with $73$ rolls of film?

1. $1,642$
2. $1,652$
3. $1,742$
4. $1,752$

Q. If , find x, y, z, ω.