# Maths online Test

The traffic lights at three different road-crossings change after every 36 seconds, 48 seconds and 72 seconds respectively. If they change simultaneously at 9 a.m., after what time will they change again simultaneously?
1 minute 24 seconds
72 seconds
12 seconds
1 minute 12 seconds
2 minutes 24 seconds
How many tables at a club have exactly 4 chairs, if there are 25 tables and each table has either 2 or 4 chairs? There is a total of 92 chairs accompanying the 25 tables.
25
21
20
4
8
How many flowers are there in the basket that contains between 100 to 110 flowers, such that if they are counted out 3 at a time, there are 2 left over, but if they are counted 4 at a time, there is 1 left over.
104
101
107
102
105
What is the greatest common divisor of 3p and 3q, if 5 is the greatest common divisor of p and q?
3
5
15
8
2
When an integer n is divided by 19, the quotient is ‘a’ and the remainder is 5. When n is divided by 25, the quotient is ‘b’ and the remainder is 12. Which of the following is correct?
5a + 12b = 7
5a ( 12b = 7
19a + 25b = 7
19a ( 25b = 7
a + b = 25
The integer p is greater than 7. If the integer p leaves a remainder of 4 when divided by 9, which of the following in not correct?
When divided by 2, p will leave a remainder 1.
When divided by 3, p will leave a remainder of 1.
The number that is 2 more than p is a multiple of 3.
The number that is 5 more than p is a multiple of 9.
The number that is 4 less than p is a multiple of 9.
How many books are there in a room, if there are 12 cupboards in the room and each cupboard has at least 20 books and at most 30 books?
210
400
200
300
380
There are 5 pencils, 5 pens, 5 markers and 5 rulers packed in 20 identical, unmarked boxes, with 1 item per box. What is the least number of boxes that must be selected in order to be sure that among the boxes selected four or more contain same kind of item?
20
12
13
15
10
Tags:

Want to learn?

or fill this simple form
Name:
Country:
Contact no.:

Area code Number
Subjects you are interested in:
Word verification: (Enter the text as shown in image)