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Which day is called a leap day? After how many years does a leap year repeat itself?

Question 139

Fill in the blank to make the statement true.

A number, for which the sum of all its factors is equal to twice the number, is called a ___ number.

What should be added to $6\frac{7}{15}$ to get $8\frac{1}{5}$

1. 9

Mohit has 17 five rupee coins and 25 ten rupee notes in his pocket, what is the ratio of the number of coins available in two denomination.

A cistern contains 5000 litres of water. If 15% of the water is removed, how many litres remain?

Find the number in the following cases: [4 MARKS]

a) When a number is multiplied by 6 and 4 is added to the product, it becomes 54.

b) Adding 6 to 4 times a number gives 88.

The adult and children ratio in a village is 45 : 17. If the number of adult in the village is 4050. Find the number of children in the village

A number which is divisible by only 1 and the number itself is called ________.

Which of the following are improper fractions?

For every non-zero rational number $\frac{a}{b}$ there exists a rational $\frac{c}{d}$ such that $\frac{a}{b}\times \frac{c}{d}=1$, then the rational number $\frac{c}{d}$ is known as ___.

Person A is at number 9 on a number line. He moves 2 steps to left and then another 5 steps to the left, where is he standing now?

Cost of 6 kg of wheat is ₹ 72.

a) What will be the cost of 8 kg of wheat?

b) What quantity of wheat can be purchased in ₹ 61?

5 + 15 + 25 + 35 + 45 + 55 + 65 + 75 + 85 + 95 = ___

Tony scored twice as many runs as Kohli. Together they scored $6$ runs short of triple century. How many runs did each score?

135$\%$ as a fraction is ____.

Express the following decimals in words: [3 MARKS]

i) 0.41
ii) 1.62
iii) 2.5

Aditya's age is 50 years old and his brother is 30 years old. What is the ratio of their ages when Aditya's age was 30 years old?

Tulika and Mia are playing a game. The rule of the game is if you get 'x', your score will be '-x'. Tulika got 'a' 3 times, 'b' 1 time, 'c' 3 times and 'd' 6 times. What is the total score of Tulika?

Question 7 (e)

Write as a fraction in the lowest term:

0.25

Question 37

In an exhibition hall, there are 24 display boards each of length 1 m 50 cm and breadth 1 m. There is a 100 m long aluminium strip, which is used to frame these boards. How many boards will be framed using this strip? Find the also length of the aluminium strip required for the remaining boards.

Question 1 (b)

What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from
4 to 7

125 x ___ = 125

What is the value of the following expression?
$20\times 19+5\times 7$

Identify the verb to which the question tag in the sentence is related.

They were confident that Geeta would come first in the race, weren’t they?

$-2(1-m^2)-4$$m^2-(2-m^2)$ equals

The set - builder form of the set A = $\{\frac{4}{5},\frac{5}{6},\frac{6}{7},\frac{7}{8},\frac{8}{9},\frac{9}{10}\}$ is

What is the output of Step V for the input below?

25 08 35 11 88 67 23

$A=\{x:x\in N,x\le 5\}$ and $B=\{y:y\in Zand-30\le y<-25\},$ then A and B are ________.

If A = {Days of the week starting with a letter S} and B = {Days of the week starting with a letter T} then set A and set B are

The perimeter of a regular octagon, with each side measuring 15 cm is -

Question 8

Leela is Radha’s younger sister. Leela is 4 years younger than Radha. Can you write Leela’s age in terms of Radha’s age? Take Radha’s age to be x years.

State true or false: $2xy+4x^2+5xy+5y^2+16x^2$ is equal to $4xy+9x^2+16y^2.$

If a and b are in ratio then which of the following symbols is used to express them?

The total cost of flooring a rectangular room at Rs. 8.50 per sq. metre is Rs. 510. If the length of the room is 8 m, what is the breadth?

In a combined test in Maths and Science 8% failed in both subjects and 12% passed in both subjects. If the total number of students who gave the exam is 500, then number of students who passed in both subjects is ___ and the number of students who failed in both subjects is ___

Write the negation of x+2>8, where x is a positive integer.

Convert 0.9 millimetre to centimetre.

HCF of two numbers is __ given that their LCM is 210 and the numbers are 42 and 70.

Estimate the product by rounding off.
42 × 37

Question 2 (e)

Express as meters using decimals:
419 cm

Question 25.
$\frac{18}{5}$ is an ___ fraction.

explain the formulas of shapes

A number remains unchanged when multiplied to ???

Which of the following fractions is greater than $\frac{3}{4}$ and less than $\frac{5}{6}$?