Basic Maths and Reasoning MCQs (page 36 of 212)
Percentages, ratios, averages, profit and loss, speed and time, number series and simple logical reasoning, with the working shown for every answer.
4,221 questions. Select an option to check your answer, or open "Show answer". Showing 701–720.
- 701.
What is the HCF of 30 and 36?
Show answer
Answer: B. 6
The highest number dividing both 30 and 36 exactly is 6.
- 702.
What is the HCF of 30 and 45?
Show answer
Answer: B. 15
The highest number dividing both 30 and 45 exactly is 15.
- 703.
What is the LCM of 11 and 41?
Show answer
Answer: C. 451
The lowest common multiple of 11 and 41 is 451. Check: LCM × HCF = 451 × 1 = 451 = 11 × 41.
- 704.
What is the HCF of 30 and 54?
Show answer
Answer: B. 6
The highest number dividing both 30 and 54 exactly is 6.
- 705.
What is the LCM of 8 and 54?
Show answer
Answer: C. 216
The lowest common multiple of 8 and 54 is 216. Check: LCM × HCF = 216 × 2 = 432 = 8 × 54.
- 706.
What is the HCF of 25 and 40?
Show answer
Answer: B. 5
The highest number dividing both 25 and 40 exactly is 5.
- 707.
What is the HCF of 4 and 11?
Show answer
Answer: A. 1
The highest number dividing both 4 and 11 exactly is 1.
- 708.
What is the HCF of 39 and 41?
Show answer
Answer: A. 1
The highest number dividing both 39 and 41 exactly is 1.
- 709.
What is the LCM of 38 and 43?
Show answer
Answer: C. 1,634
The lowest common multiple of 38 and 43 is 1634. Check: LCM × HCF = 1634 × 1 = 1634 = 38 × 43.
- 710.
What is the HCF of 23 and 24?
Show answer
Answer: A. 1
The highest number dividing both 23 and 24 exactly is 1.
- 711.
What is the HCF of 52 and 60?
Show answer
Answer: B. 4
The highest number dividing both 52 and 60 exactly is 4.
- 712.
What is the HCF of 48 and 53?
Show answer
Answer: A. 1
The highest number dividing both 48 and 53 exactly is 1.
- 713.
What is the HCF of 11 and 59?
Show answer
Answer: A. 1
The highest number dividing both 11 and 59 exactly is 1.
- 714.
What is the LCM of 12 and 33?
Show answer
Answer: B. 132
The lowest common multiple of 12 and 33 is 132. Check: LCM × HCF = 132 × 3 = 396 = 12 × 33.
- 715.
What is the HCF of 49 and 52?
Show answer
Answer: A. 1
The highest number dividing both 49 and 52 exactly is 1.
- 716.
What is the LCM of 21 and 36?
Show answer
Answer: C. 252
The lowest common multiple of 21 and 36 is 252. Check: LCM × HCF = 252 × 3 = 756 = 21 × 36.
- 717.
What is the HCF of 18 and 46?
Show answer
Answer: B. 2
The highest number dividing both 18 and 46 exactly is 2.
- 718.
What is the LCM of 40 and 49?
Show answer
Answer: B. 1,960
The lowest common multiple of 40 and 49 is 1960. Check: LCM × HCF = 1960 × 1 = 1960 = 40 × 49.
- 719.
What is the HCF of 6 and 56?
Show answer
Answer: B. 2
The highest number dividing both 6 and 56 exactly is 2.
- 720.
What is the HCF of 18 and 55?
Show answer
Answer: A. 1
The highest number dividing both 18 and 55 exactly is 1.