MEDIUM
10th CBSE
IMPORTANT
Earn 100

In a seminar, the number of participants in Hindi, English and mathematics are 60, 84 and 108  respectively. Find the minimum number of rooms required, if in each room, the same number of participants are to be seated and all of them being in the same subject.

Important Questions on Real Numbers

MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 19
Three sets of English, Mathematics and Science books containing 336, 240 and 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. How many stacks will be there?
MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 20
Three pieces of timber 42m, 49m and 63m long have to be divided into planks of the same length. What is the greatest possible length of each plank? How many planks are formed?
MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 21
Find the greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm and 12 m 95 cm
EASY
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 22
Find the maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and the same number of pencils.
MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 23
Find the least number of square tiles required to pave the ceiling of a room 15 m 17 cm long and 9 m 2 cm broad.
MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 24
Three measuring rods are 64 cm, 80 cm and 96 cm in length. Find the least length of cloth that can be measured an exact number of times, using any of the rods.
MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 25
An electronic device makes a beep after every 60 seconds. Another device makes a beep after every 62 seconds. They beeped together at 10 a.m. At what time will they beep together at the earliest?
MEDIUM
10th CBSE
IMPORTANT
Secondary School Mathematics for Class 10>Chapter 1 - Real Numbers>Exercise 1B>Q 26
The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they all change simultaneously at 8 a.m. then at what time will they again change simultaneously?