If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is
(A) 4 (B) 2
(C) 1 (D) 3
n2 – 1 is divisible by 8, if n is
(A) an integer (B) a natural number
(C) an odd integer (D) an even integer
Euclid’s division lemma states that for two positive integers a and b, there exist unique integers q and r such that a = bq + r, where r must satisfy
(A) 1 < r < b (B) 0 < r ≤ b
(C) 0 ≤ r < b (D) 0 < r < b
The decimal expansion of the rational number 33/ 22.5 will terminate after
(A) one decimal place (B) two decimal places
(C) three decimal places (D) more than 3 decimal places
Why are the Arabari forests of Bengal known to be a good example of conserved forest?
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