Find 2-digit numbers whose sum is 45 and whose HCF is 3?
- 20, 25
- 21, 24
- 15, 30
- 9, 36
Explanation
The sum of 21 and 24 is 45.
The HCF of 21 and 24 is 3. Thus, 21 and 24 satisfy both conditions.
Related MCQs
- 10
- 15
- 20
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Commutative property w.r.t addition
- Associative property w.r.t addition
- Associative property w.r.t multiplication
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Whole number
- Rational number
- Irrational number
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Always irrational
- Always an integer
- Always rational
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Cubic root
- Index
- Radical
- None of these