alleryকার্ড দেখায় 21, 29, 39 এবং 49। কোনটির ঠিক দুটি ধনাত্মক ভাজক আছে?
A21
B29
C39
D49
Answer & Solution
Correct answer: B. 29
শুধুমাত্র 29 এর ঠিক দুটি ধনাত্মক ভাজক আছে, 1 এবং 29, যখন 21, 39 এবং 49 যৌগিক।
Keep practising Whole Numbers, Factors and Multiples
Browse all Whole Numbers, Factors and Multiples questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Factors: solve and sortTwo positive integers are in the ratio 5:7 and their LCM is 420. Find their HCF.Among four-digit multiples of both 18 and 24, choose the smallest.A divisor leaves 5 from 317 and 7 from 559. What is its greatest possible value?Match the arithmetic resultWhat least positive integer n makes 180 × n divisible by both 168 and 225?Least stock above 1000 leaving 5 items after packing in 12s, 18s or 28s?Two positive integers have HCF 6, LCM 180 and sum 66. The smaller is?