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Subject: Maths, asked on 23/12/17

Write the first five perfect numbers.

Vik
Subject: Maths, asked on 22/12/17

Which number has infinty factors?

Subject: Maths, asked on 9/12/17

A two digit number has the difference between its digits as 3. The sum of the digits is the square of 3. Find the number.

Subject: Maths, asked on 13/10/17

Express as the sum of two twin primes
84
42
Pls answer
First 5 will get helplful vote

Subject: Maths, asked on 11/10/17

What number should replace the question mark and how?
 

A)  6                                      B)  7                                     C)  8                                          D)  1

Subject: Maths, asked on 9/10/17

multiply smallest whole number by H.C.F of 234,654,8374

Subject: Maths, asked on 4/10/17

1.define:
[i]factor [ii]multiple
give four examples of each
2.write all factors of each of the following numbers:
[i]60 [ii]76 [iii]125 [iv]729
3.write first five multiples of each of the following numbers:
[i]25 [ii]35 [iii]45 [iv]40
4.which of the following numbers have 15 as their factor?
[i]15625 [ii]123015
5.which of the following numbers are divisible by 21?
[i]21063 [ii]20163
6.whithout actual divison show that 11 is a factor of each of the following numbers:
[i]1111 [ii]11011 [iii]110011 [iv]1100011
7.without actual divison show that each of the following numbers is divisible by 5:
[i]55 [ii]555 [iii]5555 [iv]50005
8.is there any natural numbers having no factor at all?
9.find numbers between 1 and 100 having exactly three factors.
10.sort out even and odd numbers:
[i]42 [ii]89 [iii]144 [iv]321

Subject: Maths, asked on 4/10/17

Please help me solve the a part b part c part and d part
Q.1. Write a mathematical problem for each of the following using brackets.
a. 14 added to the difference of 10 and 3.
b. From the product of 23 and 2, subtract the sum of 11 and 15.
c. Divide 56 by the sum of 4 and 3.
d. Multiply the sum of 5 and 6 by the difference of 15 and 4.
 

Subject: Maths, asked on 17/9/17

Pls solve this 4th question with working first 3 will get helplful vote

Subject: Maths, asked on 17/9/17

Pls can any1 tell what is a perfect no. With example . No link plzz. First will get alike and helpful vote . I want this answer till 12:45pm pls. Regards

Subject: Maths, asked on 9/9/17

Q.
Mit (M) and Rit (R) and their friends arranges themselves as above:
The circles represent the children. The numbers on the pink circle represent the age of the child. Mit's age is the average of the ages of the four children standing to his north, south, east and west while Rit's age is the average of the ages of the four children standing to his north, south, east and west. 
Find the age of Mit. Explain your answer.

Subject: Maths, asked on 6/9/17

here is a riddle : a scientist invented two types of pills~ blue pill and a red pill he gave 4 pills to his son~ 2 blue pills and 2 red pills he also said to his son that if he took 1 red pill and 1 blue pill he would get extreme strength but if he took more than 1 red/blue pill he would die. On his way to home the son got kidnapped. the kidnappers locked the son inside a pitch black dark room with no way out. the son remembered his father's pills and took them correctly. How did the the son know that he took 1 red pill and 1 blue pill? you have got an hour to answer this question starting now!

Subject: Maths, asked on 3/9/17

There are 36 rows in a cinema hall. Find the minimum number of chairs in each row if the  capacity of the cinema hall is 600 people at a time.

Subject: Maths, asked on 30/8/17

find lcm and hcf of 12 and 5.

Subject: Maths, asked on 20/8/17

the traffic lights at three different road crossings change after every 48 seconds,72 second and 108 seconds respectively.if they change simultaneously at 7am then at what time will they change simultaneously again?

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