CBSE Important Questions

Mathmatics Class X

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  1. Which of the following numbers has terminating decimal expansion?
    1. 37 / 45
    2. 21 / 2356
    3. 17 / 49
    4. 89 / 2232
  1. The [HCF x LCM] for the numbers 50 and 20 is
    1. 10
    2. 100
    3. 1000
    4. 50

  1. Which of the following number has terminating decimal expansion?
    1. 37/45
    2. 21/ 235 6
    3. 17/49
    4. 89/2232

  1. Euclid's division lemma states that for two positive integers a asbd b. there exist unique integers q and r such that a = bq+r, where r must satisfy?
    1. 1 < r < b
    2. 0 < r <=b
    3. 0 <=r < b
    4. 0 < r < b

  1. The decimal expansion of the number 31/ 22.5 will terminate after
    1. One Decimal Place
    2. Two Decimal Place
    3. Three Decimal Place
    4. More than 3 Decimal Place

  1. that HCF (2520, 6600) =40, LCM (2520, 6600) =252 x k, then the value of k is:
    1. 1650
    2. 1600
    3. 165
    4. 1625

  1. If p, q are two co - prime numbers.HCM (p, q) is:
    1. p
    2. q
    3. pq
    4. 1

  1. The decimal expansion of the rational number 23/22.5 will terminate after
    1. One Decimal Place
    2. Two Decimal Place
    3. Three Decimal Place
    4. More than 3 Decimal Place

  1. n 2 - 1 is divisible by 8, if n is
    1. 1
    2. p
    3. q
    4. pq

  1. If p, q are two prime number, then LCM (p, q) is:
    1. 1
    2. p
    3. q
    4. pq

Submitted By: Mr. Manish Bhadoria
Email Id: [email protected]
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