a) sec b) sec c) sec d) sec Correct answer is: c) sec Explanation Five bells begin to toll at the intervals of sec.Or, sec [covert mixed to improper]To, find the ...

a) dm b) dm c) dm d) dm correct answer is: a) dm Explanation Two wheels circumferences are and dm.Or, and [covert mixed to improper]Two find the least distance travelled ...

a) b) c) d) correct answer is: d) Explanation To find the certain number of boys and girls, we need to find HCF of and The HCF of and is ...

a) b) c) d) correct answer is: a) Explanation 1st we need to find the LCM of and So that, the LCM of and is:Now we divide by the ...

a) 2885 b) 2285 c) 2225 d) 2805 correct answer is: a) 2885 Explanation To find the required least number first we must find the LCM of the numbers Then number should be added with the ...

a) 0.2 b) 0.3 c) 0.4 d) 0.5 correct answer is: a) 0.2 Explanation The product of two numbers is 0.84.Ans, their LCM be We know,Product of two numbers = LCM HCFAccording to the question.So that, their ...

a) b) c) d) correct answer is: b) Explanation Here, two fractions LCM and HCF is and And One fraction is Let, the other fraction is We know,Product of two numbers = ...

a) 1.6 b) 1.7 c) 1.8 d) 1.9 correct answer is: d) 1.9 Explanation Here, the LCM of and is the required least number.Now,Let, So, the LCM of and is LCM of ...

A) 0.6 B) 0.7 C) 0.8 D) 1 correct answer is: b) 0.7 Explanation Here, the HCF of and is the required greatest number.Let, and Now, HCF of and is So that, ...