Question
Four traffic lights blink at intervals of 3 seconds, 6 seconds, 9 seconds, and 12 seconds respectively. How many times will they blink together in 36 minutes?
More Difficult level Section Tests Questions
- Meena can paint a house in 24 days. If Meena and Reena together can complete it in 15 days, then how many days will Reena take to finish the work on her ow...
- Calculate the area of the triangle enclosed by the line 3x+6y=18, the x-axis, and the y-axis.
- 8 years ago, the ages of ‘Amit’ and ‘Bharat’ were in the ratio 4:5, respectively. If 6 years hence from now, the ages of ‘Ami...
- A cyclist rode for 4 hours at a constant speed of 'x' km/h and then for 6 hours at a speed of (x - 10) km/h. If his average speed during the entire journey...
- 6 students ‘P’, ‘Q’, ‘R’, ‘S’, ‘T’ and ‘U’ took part in a quiz competition. The average score of all 6 was 72 marks. The average score of ‘P’, ‘R’, ‘S’ and...
- The difference between the interior and exterior angles of a vertex of a regular polygon is 140°. The number of sides of the polygon is
- Find the greatest 3-digit number which when divided by 11 or 16 leaves 3 as remainder.
- A circle has its area eleven times greater than its circumference in numeric value. Find the circle’s diameter.
- In a 800 metres race, Tanya beats Ravi by 160 metres and Sumit by 240 metres. By how many metres does Ravi beat Sumit in the same race?
- The ratio of M to N is 4:9, and that of N to O is 3:2. If the difference between O and M is 60, what is the total of M, N, and O?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
