Multiplication of Integers

Q.

Without actually calculating find which is greater

31¹¹ or 17¹⁴

Q. Ted got 55 marks for all his correct answers, but his overall score was only 41, how many marks did he lose for giving wrong answers?

1. $96$
2. $14$
3. $36$
4. $24$

Q.

Question 5(c)
Find the product, using suitable properties:
$15\times (-25)\times (-4)\times (-10)$

Q. If p(x) = 5x + 3, then the value of p(-1)?

1. 2
2. -2
3. 3
4. \N

Q.

Question 134

Fill in the blank to make the statement true.
786 $\times$ 3 + 786 $\times$ 7 = ___

Q. Check whether the given statement is true or false? (i) Sum of two positive integers is a positive integer
(ii) Sum of two negative integers is a negative integer
(iii) Product of two positive integers is a positive integer.
(iv) Product of two negative integers is a negative integer.

Q. if * is an operation on integers such that for integers a and b, a*b=a-b-(-3), then what is 2*(-5) equal to?

Q. When we divide two integers, we always get a/an _____.

1. Natural Number
2. Integer
3. Whole Number
4. None of the above

Q.

Evaluate the following using suitable identities:

(i) (99)³ (ii) (102)³ (iii) (998)³

Q.

Find the product of the following.

$\left(-1\right)$ by $\left(-4\right)$

Q.

Indicate the following statement using a negative sign :

$“SpendingRs725”$

Q. If p(x) = 5x + 3, then the value of p(-1)?

1. 2
2. -2
3. 3
4. \N

Q. Compute the following:
$11+3$

Q.

Simplify: (3+ Root of 7) / (3-4 multiplied by root of 7) X (3+ Root of 7) / (3-4 multiplied by root of 7)

Q. Find the value of unknown $x$, if $3.5:5.6::1.25:x$

1. $2$
2. $4$
3. $6$
4. $5$

Q.

Fill the blanks so that the statement becomes true

$(500+7)(300-1)=299\times \_\_\_\_\_\_$

Q. Check whether the given statement is true or false? (i) Sum of two positive integers is a positive integer
(ii) Sum of two negative integers is a negative integer
(iii) Product of two positive integers is a positive integer.
(iv) Product of two negative integers is a negative integer.

Q. Find the number of integers between $10$ and $40$, inclusive, which leave a remainder of zero when divided by $3$.

1. 9
2. 10
3. 15
4. 12
5. 18

Q.

Product of same integers with same sign is always$\left(\right)$

Q. Solve.

(i) $\left|3x-5\right|=1$ (ii) $\left|7-2x\right|=5$ (iii) $\left|\frac{8-x}{2}\right|=5$ (iv) $\left|5+\frac{x}{4}\right|=5$

Q. Add: $-613,-421,-700$

Q.

simplify= 16/root 11-5

Q.

Find the product of the following.

$81$ by $\left(-2\right)$

Q. evaluate x3+1/x3 if x=2+2root3

Q.

is root over 100 + root over 36 the same as root over (100+36).

Q.

4 root 2 - 2 root 8 +3/ root 2 in simplified form is?

Q. $(35423+7164+41720)-(317\times 89)=$?

1. $28213$
2. $84307$
3. $50698$
4. $56094$
5. None of these

Q. Find the product $\left(\frac{3}{5}ab{c}^3\right)\times \left(\frac{-25}{12}{a}^3{b}^2\right)\times \left(-8b^{3}c\right)$

Q.

Find the product of the following.

$\left(-5\right)$ by $2$

Q.

root 45 - 3 root 20 + 4 root 5