To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library. There are two Sections - Section A and Section B of grade X. There are 32 students in Section A and 36 students in Section B.
Q: What is the minimum number of books you will acquire for the class library, so that they can be distributed equally among students of Section A or Section B?
144
128
288
272
(3)
Explanation: LCM of 32 and 36; ;
LCM = = 288
To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library. There are two Sections - Section A and Section B of grade X. There are 32 students in Section A and 36 students in Section B.
Q: 36 can be expressed as a product of its primes as
(1)
To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library. There are two Sections - Section A and Section B of grade X. There are 32 students in Section A and 36 students in Section B.
Q: 7 x 11 x 13 x 15 + 15 is a
Prime number
Composite number
Neither prime nor composite
None of the above
(2)
To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library. There are two Sections - Section A and Section B of grade X. There are 32 students in Section A and 36 students in Section B.
Q: If p and q are positive integers such that and , where a and b are prime numbers, then the LCM (p, q) is
ab
(2)
For 71st Republic Day Parade on 26/01/2023 in Delhi, Captain RS Meel is planning for parade of following two groups:
1. First group of Army Contingent of 624 members behind an Army Band of 32 members.
2. Second group of CRPF troops with 468 soldiers behind the members of bikers. These two groups are to march in the same number of columns. THis sequence of soldiers is followed by jhankis of difference states which are showing the culture of the respective states.
Q: What is the maximum number of columns in which the Army Troops can march?
8
18
4
32
(2)
For 71st Republic Day Parade on 26/01/2023 in Delhi, Captain RS Meel is planning for parade of following two groups:
1. First group of Army contingent of 624 members behind an Army Band of 32 members.
2. Second group of CRPF troops with 468 soldiers behind the members of bikers. These two groups are to march in the same number of columns. THis sequence of soldiers is followed by jhankis of difference states which are showing the culture of the respective states.
Q: What is the maximum number of columns in which the CRPF Troops can march?
4
8
12
16
(3)
Explanation: HCF of 624, 468 and 228
For 71st Republic Day Parade on 26/01/2023 in Delhi, Captain RS Meel is planning for parade of following two groups:
1. First group of Army contingent of 624 members behind an Army Band of 32 members.
2. Second group of CRPF troops with 468 soldiers behind the members of bikers. These two groups are to march in the same number of columns. This sequence of soldiers is followed by jhankis of difference states which are showing the culture of the respective states.
Q: What is the maximum number of columns in which total Army Troops and CRPF Troops together can march past?
2
4
6
8
(2)
Explanation: HCF of 228 and 32
For 71st Republic Day Parade on 26/01/2023 in Delhi, Captain RS Meel is planning for parade of following two groups:
1. First group of Army contingent of 624 members behind an Army Band of 32 members.
2. Second group of CRPF troops with 468 soldiers behind the members of bikers. These two groups are to march in the same number of columns. THis sequence of soldiers is followed by jhankis of difference states which are showing the culture of the respective states.
Q: What should be subtracted from the numbers of CRPF soldiers and the number of bikers so that their maximum number of columns is equal to the maximum number of columns of army troops?
4 Soldiers and 4 Bikers
4 Soldiers and 2 Bikers
2 Soldiers and 4 Bikers
2 Soldiers and 2 Bikers
(1)
Explanation: Maximum no. of columns of Army Troops = 16 (from point (i)). But 228 and 468 are not divisible by 16. If we subtract 4 from 228 and 468, both 224 and 464 are divisible by 16.
For 71st Republic Day Parade on 26/01/2023 in Delhi, Captain RS Meel is planning for parade of following two groups:
1. First group of Army contingent of 624 members behind an Army Band of 32 members.
2. Second group of CRPF troops with 468 soldiers behind the members of bikers. These two groups are to march in the same number of columns. THis sequence of soldiers is followed by jhankis of difference states which are showing the culture of the respective states.
Q: What should be added with the number of CRPF soldiers and the number of bikers so that their maximum number of columns is equal to the maximum number of columns of Army Troops?
4 Soldiers and 4 Bikers
12 Soldiers and 12 Bikers
6 Soldiers and 6 Bikers
12 Soldiers and 6 Bikers
(2)
In a classroom activity on real numbers, the students have to pick a number card from a pile and frame, question on it, if it is not a rational number for the rest of the class. Thenumber cards picked up by first 5 students and their questions on the numbers for the rest of the class are as shown below. Answer them:
Q: Suraj picked up and his question was:
Which of the following i true about :
It is a natural number.
It is an irrational number.
It is a rational number.
None of these.
(2)
Explanation: Here, , i.e., product of rational and irrational numbers = irrational number.
