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Which one of the following is not a linear equation?

Evaluate $(3x^2{)}^{-3}\times (x^9{)}^{\frac{2}{3}}$

Which of the following nets can be folded to make a cylinder?

The sum of two rational numbers is $\frac{13}{24}$ . If one of the number is $\frac{3}{4}$, then find the other number ?

$7+(49÷(2\times 3+1\left)\right)–13=$

Which of the following data sets are organised?

Data set 1. 5 7 12 18 25 28 34 67 78 98

Data set 2. 101 96 76 69 56 49 44 35 23 11

Data set 3. 2 8 54 65 32 11 13 25 4 33

The mean of 100 observations is 50. If in one of the observations 50 is replaced by 150, the resulting mean will be

Sum of two decimal numbers 0.8 and 0.07 is:

For the equation: $5z+\frac{7}{2}=\frac{5}{2}$, '$z$' is equal to ____ ?

Question 80

In the following question, state whether the given statements are true (T) or false (F).

The expression for $4^{-3}$ as a power with the base $2is{2}^6.$

the perimeter of a rectangular swimming pool is 154 m. its length is 2m more than twice its breadth. what are the length and the breadth of the pool?

What is $\left(\frac{5}{7}\right)$ divided by 6?

Identify the pair(s) of like terms among the given options.

The cost of a mobile phone is Rs 8500. If the shopkeeper allow a discount of 35% then the sale price of mobile is:

In a class of 30 students, there are 17 girls and 13 boys. If a student is chosen at random, what is the probability of choosing a girl student?

The digit of a two digit number differ by 3. If the digits are interchange and the resulting number is added to the original number we get 143. What can be the original number?

Question 97

What should be multiplied with $\frac{-5}{8}$ to obtain the nearest integer?

Given below is a double bar graph representing total number of boys and girls in class IX-A to IX-D.

Which section has maximum number of students?

A cow is tethered to a corner of a field with a rope of length 7 m.
If she grazes on the length of 210 m , what is the angle through which the rope moves?

If 5 letters are taken out of 5 different envelopes. In how many ways, can they be reinserted in the envelopes so that no letter goes to its original envelopes?

Simplify √32 +√48 ÷√8+√12.can we solve this by taking 32raised to 1/2+48 raised to 1/2 ?can we??

Puja has two ropes measuring 5m and 6m. She ties a goat at point A with the 5m rope and ties another goat at point B with the 6m rope. Find the ratio of area that can be grazed by the goats at points A and B. The goats can only move inside the field.

The original price of a washing machine which was bought for $Rs.13500$ including of $8\%$ VAT, is

(a) $Rs.12420$
(b) $Rs.14580$
(c) $Rs.12500$
(d) $Rs.13492$

Question 80 (ii)

Find the value of x, if
32 % of x kg is 400 kg.

Which of the following expressions are trinomials?

Question 90

Iron rods a, b, c, d, e and f are making a design in a bridge as shown in the given figure, in which a || b, c|| d and e || f. Find the marked angles between
(i) b and c
(ii) d and e
(iii) d and f
(iv) c and f

Question 140 (iii)

The pieces of Tangrams have been rearranged to make the given shape.

By observing the given shape, answer the following questions.
What percentage of total has been coloured ?

Question 105

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below:
If i + 69 = 70, then i = ? If 8u = 6u + 8, then u=?
If 4a = -5a + 45, then a = ? If 4q + 5 = 17, then q = ?
If -5t - 60 = -70, then t = ? If $\frac{1}{4}s+98=100,$ then s = ?
If $\frac{5}{3}p+9=24,$ then p = ?
If 3c = c + 12, then c = ?
If 3(k + 1) = 24, then k = ?
For riddle answer: substitute the number for the letter it equals

Question 89
State whether the statement is True or False.
Isometric sheet divides the paper into small isosceles triangles made up of dots or lines.

Determine the probability of three coins falling all heads up when tossed simultaneously.

$(-225)÷5=$ ___

In the figure below, $x={30}^{\circ }.$ The value of $(6y–3x)$ is ___.

The average of 5 ingredients is 54 kgs. If the total weight of 3 ingredients is 164 kgs, what should be the total weight of the other 2?

How is the pre-image(A) related to the image(A')?

Explain why 7×6×5×4×3×2×1+5 is a composite number.

What will be the radius of a circle whose area is 9 times the area of another circle with diameter 8cm?

(-32) - (-4) = ____

Find the area of the parallelogram ABCD (in sq. metres).

Karan spends $Rs.5000$ on food which is ${\frac{5}{8}}^{th}$ of his income. Karan's income is _____ (in rupess).

What number should be added to $7$ to get zero as the answer?

___

By what rational number should we multiply $\frac{-15}{56}$ to get $\frac{-5}{7}$ ?

The value of $\sqrt{2\frac{1}{4}}$ is equal to

Arrange the following ratios in ascending order :

2:3, 4:5, 1:2, 3:4 and 9:10