### Operations - class-VI

Description: operations | |

Number of Questions: 91 | |

Created by: Niharika Sharma | |

Tags: real numbers (rational and irrational numbers) playing with numbers operations natural numbers mental skills whole numbers and operations with whole numbers the fish tale four operations number world maths numbers : revision calculations and mental strategies 2 |

The given table shows the average temperature of some cities of India in a particular month.

City | Average maximum temperature | Average minimum temperature |
---|---|---|

New Delhi | $39^oC$ | $27^o$ |

Mumbai | $36^oC$ | $19^oC$ |

Ahemdabad | $37^oC$ | $19^oC$ |

Chennai | $42^oC$ | $26^oC$ |

Kolkata | $38^oC$ | $24^oC$ |

Which city has the highest difference its average maximum temperature and average minimum temperature?

Jenny has $4$ red roses and $5$ yellow roses. How many roses does Jenny have in all

Shraddha needs $6$ containers which can hold $15600$ oil. Find the capacity of each container.

If average of $6$** **consecutive numbers is $48$**, **what is the difference between the smallest and the largest numbers ?

The additive inverse of $\sqrt { 3 } -2\quad is$_________________

which is the number formed by $34 TL,2TL, 4TH, 5H, 2T$ and $5U$

State whether the following statement is True or False.

$600$ is the successor of $599$.

State whether the following statement is True or False.

$400$ is the predecessor.

State whether the following statement is True or False.

The predecessor of a two digit number is never a single digit number.

State whether the following statement is True or False.

The successor of a two digit number is always a two digit number.

Find : $50342135 -46380651 = .............$

Find the value of $7895432-1689654$.

What is $1 + 2-3 + 4-5 + 6-7 + 8$ ?

Sum of 10 and 40 is

Difference of $500$ and $200$ is

The difference between the largest 5-digit number and smallest 5-digit number is

Two pipes X and Y can fill a cistern in 24 min. and 32 min. respectively. If both the pipes are opened together, then after how much time Y should be closed so that the tank is full in 18 minutes?

If $\displaystyle x=\frac{4\sqrt{2}}{\sqrt{2}+1}$ then find the value of $\displaystyle \frac{1}{\sqrt{2}}\left ( \frac{x+2}{x-2}+\frac{x+2\sqrt{2}}{x-2\sqrt{2}} \right )$

If P : Q : R = 6 : 5 : 4 and $\displaystyle P^{2}+Q^{2}+R^{2}=192500$ then find $\displaystyle \frac{(P+Q-R)}{2}$

Given $5A9+3B7+2C8=1114$, then the maximum value of $C$ is

A 3-digit number 4a3 is added to another 3-digit number 984 to give the four-digit number 13b7 which is divisible by 11 Then (a + b) is

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If she attempts in all 50 questions and scores 120 marks, the number of questions she attempts correct is........

What is the value of $(\sqrt 7+\sqrt 5)(\sqrt 7-\sqrt 5)$?

If the sum of two consecutive odd numbers is 2004, then the smaller of the two numbers could be

How many times does the sum of 375 and 125 contain their difference?

A man can row 16 km downstream in one hour but upstream he takes twice the time then the speed of the current is

If a=2, b=3, c=4, then the difference between $\displaystyle 2\frac{3}{4}$ and $\displaystyle b\frac{a}{c}$ is

If 125 x centimetre per second = (x+7) km/hour then the value of x is

If 5 labourers can make 5 mats in 5 hours then the number of mats that 10 labourers can make in 10 hours are

The average weight of 7 men is diminished by 3 kg when one of them who weighs 73 kg is replaced by a new man then the weight of the new man is

What number should be subtracted from each of the numbers 54, 71, 75 and 99, so that the remainders may be in proportion?

Sum of the greatest 8 digit number and the smallest 9 digit number is

A student was asked to multiply a certain number by 3 and to add 2 to it, but he divided the number by 3 and subtracted 2 from it and got the number 1. The correct answer is

A shopkeeper had a stock of 23,898 kg of wheat out of which 1,795 kg is sold in the morning and 2,348 kg of wheat is sold in the evening. Quantity of wheat left in the shop is

The population of a city is 5,12,10,913. Out of which 23,05,218 were males, 18,47,525 were females and remaining are children. The number of children in the city is

Is it possible to make 1000 with eight 8's in any way by using any operation?

The maximum temperature on a day is 35$^o$C and the minimum temperature is 25$^o$C. The difference of these temperatures, on Fahrenheit scale is

Sum of $2.8, 26.3$ and $62.874$ is ______

A shopkeeper sold$\ 12.750\ kg$ of sugar on a day. On the next day he sold$\ 38.250\ kg$ of sugar. On the third day he sold $\ 50.50\ kg$ of sugar. How much of sugar in all did the shopkeeper sell?

In a movie hall, 363 seats are vacant and 1560 seats are occupied. What is the seating capacity of the hall ?

2530 soldiers were sent out on a mission. Each army truck could carry a maximum of 55 soldiers. How many army trucks were needed to carry all 2530 soldiers ?

A balloon seller sold 236 red balloons, 23 white balloons and 749 blue balloons. How many balloons were sold in all ?

$ \displaystyle \Uparrow \, \Uparrow\, \Uparrow\, \Uparrow $ Number represented by figures is ,if each symbol represents 5 houses

The sum of all even natural numbers between $1$ and $31$ is:

If Seema and Reema has $10$ and $6$ chocolates respectively. Find the total number of chocolates.

A box contains $25$ packets of pencils. Sachin takes $7$ packets, Ajay takes $8$ packet. How many packets are left in the box?

Ravi has $15$ magic pens. If he gives $4$ magic pens to Suraj, then the number of pens Ravi left with is :

Negative integers are at ___________ side of $0$ on numberline.

Positive integers are at ______________ side of $0$ on numberline.

Richa walks $4km$ in the direction of sun on sunset time. Then she turns a right and walks $1km$. She turns left and walks $1km$ then she turns left and walks $1km$. Find displacement of her walk in km?

What will we get if we subtract $1$ from smallest $6$-digit number?

Raghu is $21$ years old and Kavita is $72$ years old. The sum of their ages is

The sum of the digit of a two digit number is $15$ and the difference between the digits is $3$. What the two digit number?

Neha, Joy and Karan are helping Uncle Shyam in picking apples. Uncle Shyam gives each of them $230$ apples. How many apples do Neha, Joy and Karan have in all?

If $a+b=30$ and $ab=176$, find $a^{3}+b^{3}$

$(308+264)cm^{2}=572cm^{2}$

Find the sum of $-59,\ -41,\ 73,\ -92,\ 81,\ -(-41)$ and $-3$.

Subtract the second term form first term.

$5p , 11p$

Subtract : $3x^{2}+2yx$ from $2x^{2}+3yx$

State whether true or false

There is a natural number which when added to a natural number, gives that number.

State whether the following statement is true or false

There is a whole number which when added to a whole number, gives that number

When the signs are changed as shown below which one of the following equation is correct?

$ - to + , + to \times , \times to \div , \div to = $

Difference of the greatest 7 digit number and the smallest 5 digit number is

The two numbers formed by subtracting one from $5$ and $10$ are:

If a and b are two whole numbers, then commutative law is applicable to subtraction if and only if

Which of the following properties are not applicable to the subtraction of whole numbers?

If $\displaystyle a^{2}-b^{2}=13$ where a and b are natural numbers then value of a is

Find the value of A and B in the following sum:

$6 A 3$

$\underline {+2 2 B}$

$\underline {B B 1}$

If x stands for addition, < for substraction, + stands for division, > for multiplication, - stands for equal to, + for greater than and = stands for less than, state which of the following is true?

Two rows of numbers are given The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers is to be answered The operations of numbers progress from left to right

Rules

I. If an odd number is followed by a two-digit even number then they are to be added.

II. If an odd number is followed by a two-digit odd number then the second number is to be subtracted from the first number

III. If an even number is followed by a number which is a perfect square of a number then the second number is to be divided by the first number

IV. If an even number is followed by a two-digit even number then the first number is to be multiplied by the second number

8 16 16 14

13 11 12 144

What is the difference between the resultant of the first set of numbers and the second set of numbers ?

Savita has Rs. 27 in the form of fifty paise and twenty-five paise coins. She has twice as many twenty-five paise coins as she has 50 paise coins. How many coins of each kind does she have?

$1+5+9+\cdots\cdots+(4n-3)$ is equal to

The distance between (-4, -5) and (-4, -10) is__________units__

The two numbers which results 5 on subtracting are

If $14y-4=24y+26$, then $12y=$.

$\left (1 - \dfrac {1}{2}\right ) + \left (\dfrac {3}{4} - \dfrac {1}{4}\right )=$

Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?

$\dfrac {2}{5} + \dfrac {4}{9} =$ _____

Sum of greatest five digits number and smallest three digits number is :

Difference of greatest three digits number and smallest five digits number is :

Sum of greatest three digit number and smallest five digit number is

A girl goes $30$ meters North, then turns right and walks $40$ meters, then turns right and walks $20$ meters, then again turns right and walks $40$ meters. How many meters is she from the original position?

Fill in the blanks by using appropriate alternative:

6409*2 + 28764* = _______

Fill in the blanks by using appropriate alternative:

370500 - 280575 = _______

Fill in the blanks by using appropriate alternative:

_________ - 452567 = 253510

If three is subtracted from each of the following numbers, then which of the following options is the difference between the second highest number and the second digit of the highest number?

$489$ $541$ $654$ $935$ $873$.

The population of a city is $2,09,32,714$. Out of these, $90,47,314$ are men; $984,35,784$ are women and the rest are children. Find the number of children in the city.

Select the INCORRECT statement.

Rita's watch was 10 minutes fast.Her watch showed 1:05 p.m.when she left home.She travelled for 35 minutes and arrived 5 minutes early for her dental appointment.At what time was her dental appointment?

$2\ +\ 3\ =?$

If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents at the same rate?